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/linux/drivers/md/
H A D	md-bitmap.c	3 * bitmap.c two-level bitmap (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003 5 * bitmap_create - sets up the bitmap structure 6 * bitmap_destroy - destroys the bitmap structure 9 * - added disk storage for bitmap 10 * - changes to allow various bitmap chunk sizes 34 #include "md-bitmap.h" 38 * in-memory bitmap: 126 * bitmap structures: 129 /* the in-memory bitmap i 152 struct bitmap { global() struct 154 bitmap_countsbitmap global() argument 167 mddevbitmap global() argument 172 bitmap_storagebitmap global() argument 175 need_syncbitmap global() argument 197 behind_writes_usedbitmap global() argument 202 daemon_lastrunbitmap global() argument 207 last_end_syncbitmap global() argument 221 cluster_slotbitmap global() argument 224 bmname(struct bitmap * bitmap) bmname() argument 231 struct bitmap bitmap = data; bitmap_enabled() local 254 md_bitmap_checkpage(struct bitmap_counts bitmap,unsigned long page,int create,int no_hijack) md_bitmap_checkpage() argument 316 md_bitmap_checkfree(struct bitmap_counts * bitmap,unsigned long page) md_bitmap_checkfree() argument 428 __write_sb_page(struct md_rdev * rdev,struct bitmap * bitmap,unsigned long pg_index,struct page * page) __write_sb_page() argument 485 write_sb_page(struct bitmap * bitmap,unsigned long pg_index,struct page * page,bool wait) write_sb_page() argument 505 write_file_page(struct bitmap * bitmap,struct page * page,int wait) write_file_page() argument 524 struct bitmap bitmap = bh->b_private; end_bitmap_write() local 557 read_file_page(struct file file,unsigned long index,struct bitmap * bitmap,unsigned long count,struct page * page) read_file_page() argument 619 write_file_page(struct bitmap * bitmap,struct page * page,int wait) write_file_page() argument 623 read_file_page(struct file * file,unsigned long index,struct bitmap * bitmap,unsigned long count,struct page * page) read_file_page() argument 640 filemap_write_page(struct bitmap * bitmap,unsigned long pg_index,bool wait) filemap_write_page() argument 662 md_bitmap_wait_writes(struct bitmap * bitmap) md_bitmap_wait_writes() argument 683 struct bitmap bitmap = data; bitmap_update_sb() local 720 bitmap_print_sb(struct bitmap bitmap) bitmap_print_sb() argument 759 md_bitmap_new_disk_sb(struct bitmap * bitmap) md_bitmap_new_disk_sb() argument 818 md_bitmap_read_sb(struct bitmap * bitmap) md_bitmap_read_sb() argument 1096 md_bitmap_file_kick(struct bitmap * bitmap) md_bitmap_file_kick() argument 1118 set_page_attr(struct bitmap * bitmap,int pnum,enum bitmap_page_attr attr) set_page_attr() argument 1124 clear_page_attr(struct bitmap * bitmap,int pnum,enum bitmap_page_attr attr) clear_page_attr() argument 1130 test_page_attr(struct bitmap * bitmap,int pnum,enum bitmap_page_attr attr) test_page_attr() argument 1136 test_and_clear_page_attr(struct bitmap * bitmap,int pnum,enum bitmap_page_attr attr) test_and_clear_page_attr() argument 1149 md_bitmap_file_set_bit(struct bitmap * bitmap,sector_t block) md_bitmap_file_set_bit() argument 1180 md_bitmap_file_clear_bit(struct bitmap * bitmap,sector_t block) md_bitmap_file_clear_bit() argument 1210 md_bitmap_file_test_bit(struct bitmap * bitmap,sector_t block) md_bitmap_file_test_bit() argument 1234 __bitmap_unplug(struct bitmap * bitmap) __bitmap_unplug() argument 1269 struct bitmap bitmap; global() member 1282 bitmap_unplug_async(struct bitmap bitmap) bitmap_unplug_async() argument 1298 struct bitmap bitmap = mddev->bitmap; bitmap_unplug() local 1322 md_bitmap_init_from_disk(struct bitmap bitmap,sector_t start) md_bitmap_init_from_disk() argument 1448 struct bitmap bitmap = mddev->bitmap; bitmap_write_all() local 1462 md_bitmap_count_page(struct bitmap_counts bitmap,sector_t offset,int inc) md_bitmap_count_page() argument 1471 md_bitmap_set_pending(struct bitmap_counts * bitmap,sector_t offset) md_bitmap_set_pending() argument 1509 struct bitmap bitmap; bitmap_daemon_work() local 1628 md_bitmap_get_counter(struct bitmap_counts bitmap,sector_t offset,sector_t * blocks,int create) md_bitmap_get_counter() argument 1681 struct bitmap bitmap = mddev->bitmap; bitmap_start_write() local 1735 struct bitmap bitmap = mddev->bitmap; bitmap_end_write() local 1780 __bitmap_start_sync(struct bitmap * bitmap,sector_t offset,sector_t * blocks,bool degraded) __bitmap_start_sync() argument 1829 __bitmap_end_sync(struct bitmap * bitmap,sector_t offset,sector_t * blocks,bool aborted) __bitmap_end_sync() argument 1870 struct bitmap bitmap = mddev->bitmap; bitmap_close_sync() local 1886 struct bitmap bitmap = mddev->bitmap; bitmap_cond_end_sync() local 1916 struct bitmap bitmap = mddev->bitmap; bitmap_sync_with_cluster() local 1932 md_bitmap_set_memory_bits(struct bitmap bitmap,sector_t offset,int needed) md_bitmap_set_memory_bits() argument 1963 struct bitmap bitmap = mddev->bitmap; bitmap_dirty_bits() local 1984 struct bitmap bitmap = mddev->bitmap; bitmap_flush() local 2009 struct bitmap bitmap = data; md_bitmap_free() local 2043 struct bitmap bitmap = mddev->bitmap; bitmap_start_behind_write() local 2057 struct bitmap bitmap = mddev->bitmap; bitmap_end_behind_write() local 2068 struct bitmap bitmap = mddev->bitmap; bitmap_wait_behind_writes() local 2082 struct bitmap bitmap = mddev->bitmap; bitmap_destroy() local 2108 struct bitmap bitmap; __bitmap_create() local 2196 struct bitmap bitmap = __bitmap_create(mddev, -1); bitmap_create() local 2210 struct bitmap bitmap = mddev->bitmap; bitmap_load() local 2266 struct bitmap bitmap; bitmap_get_from_slot() local 2292 struct bitmap bitmap; bitmap_copy_from_slot() local 2332 struct bitmap bitmap = data; bitmap_set_pages() local 2341 struct bitmap bitmap = data; bitmap_get_stats() local 2366 __bitmap_resize(struct bitmap * bitmap,sector_t blocks,int chunksize,bool init) __bitmap_resize() argument 2576 struct bitmap bitmap = mddev->bitmap; bitmap_resize() local 2754 struct bitmap bitmap; space_store() local 2943 struct bitmap bitmap; can_clear_show() local 2958 struct bitmap bitmap = mddev->bitmap; can_clear_store() local 2985 struct bitmap bitmap; behind_writes_used_show() local 3001 struct bitmap bitmap = mddev->bitmap; behind_writes_used_reset() local [all...]
H A D	md-bitmap.h	3 * bitmap.h: Copyright (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003 22 /* version 6 is only used for lockless bitmap / 25 / use these for bitmap->flags and bitmap->sb->state bit-fields / 27 BITMAP_STALE = 1, / the bitmap file is out of date or had -EIO / 35 / the superblock at the front of the bitmap file -- little endian / 38 __le32 version; / 4 the bitmap major for now, could change... / 40 __le64 events; / 24 event counter for the bitmap (1)/ 43 __le32 state; / 48 bitmap state information / 44 __le32 chunksize; / 52 the bitmap chunk size in bytes / 48 reserved for the bitmap. */ [all …]
/linux/drivers/iommu/iommufd/
H A D	iova_bitmap.c	14 * struct iova_bitmap_map - A bitmap representing an IOVA range 16 * Main data structure for tracking mapped user pages of bitmap data. 24 * The user does not need to exact location of the bits in the bitmap. 26 * records the IOVA range in the bitmap by setting the corresponding 29 * The bitmap is an array of u64 whereas each bit represents an IOVA of 30 * range of (1 << pgshift). Thus formula for the bitmap data to be set is: 50 /* pinned pages representing the bitmap data / 55 struct iova_bitmap - The IOVA bitmap object 57 * Main data structure for iterating over the bitmap data. 60 * It uses a windowing scheme and pins the bitmap in relatively [all …]
/linux/fs/xfs/scrub/
H A D	bitmap.c	15 #include "scrub/bitmap.h" 19 /* u64 bitmap / 61 / Iterate each interval of a bitmap. Do not change the bitmap. / in INTERVAL_TREE_DEFINE() 62 #define for_each_xbitmap64_extent(bn, bitmap) \ in INTERVAL_TREE_DEFINE() argument 63 for ((bn) = rb_entry_safe(rb_first(&(bitmap)->xb_root.rb_root), \ in INTERVAL_TREE_DEFINE() 69 / Clear a range of this bitmap. / 72 struct xbitmap64 bitmap, 80 while ((bn = xbitmap64_tree_iter_first(&bitmap->xb_root, start, last))) { 85 xbitmap64_tree_remove(bn, &bitmap->xb_root); 87 xbitmap64_tree_insert(bn, &bitmap->xb_root); [all …]
H A D	bitmap.h	9 /* u64 bitmap / 15 void xbitmap64_init(struct xbitmap64 bitmap); 16 void xbitmap64_destroy(struct xbitmap64 bitmap); 18 int xbitmap64_clear(struct xbitmap64 bitmap, uint64_t start, uint64_t len); 19 int xbitmap64_set(struct xbitmap64 bitmap, uint64_t start, uint64_t len); 20 int xbitmap64_disunion(struct xbitmap64 bitmap, struct xbitmap64 sub); 21 uint64_t xbitmap64_hweight(struct xbitmap64 bitmap); 24 * Return codes for the bitmap iterator functions are 0 to continue iterating, 27 * iteration, because neither bitmap iterator ever generates that error code on 28 * its own. Callers must not modify the bitmap while walking it. [all …]
H A D	agb_bitmap.h	15 static inline void xagb_bitmap_init(struct xagb_bitmap bitmap) in xagb_bitmap_init() argument 17 xbitmap32_init(&bitmap->agbitmap); in xagb_bitmap_init() 20 static inline void xagb_bitmap_destroy(struct xagb_bitmap bitmap) in xagb_bitmap_destroy() argument 22 xbitmap32_destroy(&bitmap->agbitmap); in xagb_bitmap_destroy() 25 static inline int xagb_bitmap_clear(struct xagb_bitmap bitmap, in xagb_bitmap_clear() argument 28 return xbitmap32_clear(&bitmap->agbitmap, start, len); in xagb_bitmap_clear() 30 static inline int xagb_bitmap_set(struct xagb_bitmap bitmap, in xagb_bitmap_set() argument 33 return xbitmap32_set(&bitmap->agbitmap, start, len); in xagb_bitmap_set() 36 static inline bool xagb_bitmap_test(struct xagb_bitmap *bitmap, in xagb_bitmap_test() argument 39 return xbitmap32_test(&bitmap->agbitmap, start, len); in xagb_bitmap_test() [all …]
H A D	off_bitmap.h	15 static inline void xoff_bitmap_init(struct xoff_bitmap bitmap) in xoff_bitmap_init() argument 17 xbitmap64_init(&bitmap->offbitmap); in xoff_bitmap_init() 20 static inline void xoff_bitmap_destroy(struct xoff_bitmap bitmap) in xoff_bitmap_destroy() argument 22 xbitmap64_destroy(&bitmap->offbitmap); in xoff_bitmap_destroy() 25 static inline int xoff_bitmap_set(struct xoff_bitmap bitmap, in xoff_bitmap_set() argument 28 return xbitmap64_set(&bitmap->offbitmap, off, len); in xoff_bitmap_set() 31 static inline int xoff_bitmap_walk(struct xoff_bitmap bitmap, in xoff_bitmap_walk() argument 34 return xbitmap64_walk(&bitmap->offbitmap, fn, priv); in xoff_bitmap_walk()
H A D	fsb_bitmap.h	15 static inline void xfsb_bitmap_init(struct xfsb_bitmap bitmap) in xfsb_bitmap_init() argument 17 xbitmap64_init(&bitmap->fsbitmap); in xfsb_bitmap_init() 20 static inline void xfsb_bitmap_destroy(struct xfsb_bitmap bitmap) in xfsb_bitmap_destroy() argument 22 xbitmap64_destroy(&bitmap->fsbitmap); in xfsb_bitmap_destroy() 25 static inline int xfsb_bitmap_set(struct xfsb_bitmap bitmap, in xfsb_bitmap_set() argument 28 return xbitmap64_set(&bitmap->fsbitmap, start, len); in xfsb_bitmap_set() 31 static inline int xfsb_bitmap_walk(struct xfsb_bitmap bitmap, in xfsb_bitmap_walk() argument 34 return xbitmap64_walk(&bitmap->fsbitmap, fn, priv); in xfsb_bitmap_walk()
/linux/drivers/net/ethernet/mellanox/mlx4/
H A D	alloc.c	38 #include <linux/bitmap.h> 44 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap) in mlx4_bitmap_alloc() argument 48 spin_lock(&bitmap->lock); in mlx4_bitmap_alloc() 50 obj = find_next_zero_bit(bitmap->table, bitmap->max, bitmap->last); in mlx4_bitmap_alloc() 51 if (obj >= bitmap->max) { in mlx4_bitmap_alloc() 52 bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top) in mlx4_bitmap_alloc() 53 & bitmap->mask; in mlx4_bitmap_alloc() 54 obj = find_first_zero_bit(bitmap->table, bitmap->max); in mlx4_bitmap_alloc() 57 if (obj < bitmap->max) { in mlx4_bitmap_alloc() 58 set_bit(obj, bitmap->table); in mlx4_bitmap_alloc() [all …]
/linux/fs/afs/
H A D	dir_edit.c	20 * There are 64 slots, which means we can load the entire bitmap into a 26 u64 bitmap; in afs_find_contig_bits() local 30 bitmap = (u64)block->hdr.bitmap[0] << 0 * 8; in afs_find_contig_bits() 31 bitmap \|= (u64)block->hdr.bitmap[1] << 1 * 8; in afs_find_contig_bits() 32 bitmap \|= (u64)block->hdr.bitmap[2] << 2 * 8; in afs_find_contig_bits() 33 bitmap \|= (u64)block->hdr.bitmap[3] << 3 * 8; in afs_find_contig_bits() 34 bitmap \|= (u64)block->hdr.bitmap[4] << 4 * 8; in afs_find_contig_bits() 35 bitmap \|= (u64)block->hdr.bitmap[5] << 5 * 8; in afs_find_contig_bits() 36 bitmap \|= (u64)block->hdr.bitmap[6] << 6 * 8; in afs_find_contig_bits() 37 bitmap \|= (u64)block->hdr.bitmap[7] << 7 * 8; in afs_find_contig_bits() [all …]
/linux/rust/kernel/
H A D	bitmap.rs	5 //! Rust API for bitmap. 7 //! C headers: [`include/linux/bitmap.h`](srctree/include/linux/bitmap.h). 15 /// Represents a C bitmap. Wraps underlying C bitmap API. 22 pub struct Bitmap { struct 26 impl Bitmap { implementation 27 /// Borrows a C bitmap. 33 /// * the array must not be freed for the lifetime of this [`Bitmap`] 35 pub unsafe fn from_raw<'a>(ptr: const usize, nbits: usize) -> &'a Bitmap { in from_raw() argument 49 unsafe { &(data as const Bitmap) } from_raw() constant 60 from_raw_mut<'a>(ptr: mut usize, nbits: usize) -> &'a mut Bitmap from_raw_mut() argument 164 deref(&self) -> &Bitmap deref() argument 183 deref_mut(&mut self) -> &mut Bitmap deref_mut() argument 292 impl Bitmap { global() implementation 416 copy_and_extend(&mut self, src: &Bitmap) copy_and_extend() argument [all...]
/linux/lib/
H A D	idr.c	2 #include <linux/bitmap.h> 336 * each entry. The XA_FREE_MARK is only cleared when all bits in the bitmap 343 * leaf bitmap before doing a radix tree lookup. 346 * leaf, instead of allocating a 128-byte bitmap, we store the bits 348 * because we can always convert them into a bitmap entry. 351 * single 128-byte bitmap, we currently switch to a 576-byte node, put 352 * the 128-byte bitmap in the first entry and then start allocating extra 354 * data as a bitmap before moving to that scheme. I do not believe this 363 * RCU head in the bitmap, which adds a 2-pointer overhead to each 128-byte 364 * bitmap, which is excessive. [all …]
H A D	bitmap-str.c	3 #include <linux/bitmap.h> 16 * bitmap_parse_user - convert an ASCII hex string in a user buffer into a bitmap 21 * @maskp: pointer to bitmap array that will contain result. 22 * @nmaskbits: size of bitmap, in bits. 43 * bitmap_print_to_buf - convert bitmap to list or hex format ASCII string 44 * @list: indicates whether the bitmap must be list 48 * @maskp: pointer to bitmap to convert 49 * @nmaskbits: size of bitmap, in bits 71 * bitmap_print_bitmask_to_buf - convert bitmap to hex bitmask format ASCII string 73 * @maskp: pointer to bitmap t 220 bitmap_set_region(const struct region * r,unsigned long * bitmap) bitmap_set_region() argument 478 u32 bitmap = (u32 )maskp; bitmap_parse() local [all...]
H A D	memweight.c	`4 #include <linux/bitmap.h> 15 const unsigned char bitmap = ptr; in memweight() local 17 for (; bytes > 0 && ((unsigned long)bitmap) % sizeof(long); in memweight() 18 bytes--, bitmap++) in memweight() 19 ret += hweight8(bitmap); in memweight() 24 ret += bitmap_weight((unsigned long )bitmap, in memweight() 27 bitmap += longs sizeof(long); in memweight() 34 for (; bytes > 0; bytes--, bitmap++) in memweight() 35 ret += hweight8(*bitmap); in memweight()`
/linux/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/
H A D	pool.c	196 unsigned long bitmap; in hws_pool_create_and_init_bitmap() local 198 bitmap = bitmap_zalloc(1 << log_range, GFP_KERNEL); in hws_pool_create_and_init_bitmap() 199 if (!bitmap) in hws_pool_create_and_init_bitmap() 202 bitmap_fill(bitmap, 1 << log_range); in hws_pool_create_and_init_bitmap() 204 return bitmap; in hws_pool_create_and_init_bitmap() 209 unsigned long bitmap; in hws_pool_bitmap_init() local 211 bitmap = hws_pool_create_and_init_bitmap(pool->alloc_log_sz); in hws_pool_bitmap_init() 212 if (!bitmap) { in hws_pool_bitmap_init() 213 mlx5hws_err(pool->ctx, "Failed to create bitmap order: %zu\n", in hws_pool_bitmap_init() 221 bitmap_free(bitmap); in hws_pool_bitmap_init() [all …]
H A D	buddy.c	13 buddy->bitmap = kcalloc(buddy->max_order + 1, in hws_buddy_init() 14 sizeof(*buddy->bitmap), in hws_buddy_init() 16 if (!buddy->bitmap) in hws_buddy_init() 30 buddy->bitmap[i] = bitmap_zalloc(s, GFP_KERNEL); in hws_buddy_init() 31 if (!buddy->bitmap[i]) { in hws_buddy_init() 37 bitmap_set(buddy->bitmap[buddy->max_order], 0, 1); in hws_buddy_init() 44 bitmap_free(buddy->bitmap[i]); in hws_buddy_init() 49 kfree(buddy->bitmap); in hws_buddy_init() 76 bitmap_free(buddy->bitmap[i]); in mlx5hws_buddy_cleanup() 79 kfree(buddy->bitmap); in mlx5hws_buddy_cleanup() [all …]
/linux/fs/btrfs/tests/
H A D	free-space-tests.c	95 test_msg("running bitmap only tests"); in test_bitmaps() 99 test_err("couldn't create a bitmap entry %d", ret); in test_bitmaps() 105 test_err("error removing bitmap full range %d", ret); in test_bitmaps() 110 test_err("left some space in bitmap"); in test_bitmaps() 116 test_err("couldn't add to our bitmap entry %d", ret); in test_bitmaps() 127 * The first bitmap we have starts at offset 0 so the next one is just in test_bitmaps() 128 * at the end of the first bitmap. in test_bitmaps() 164 test_msg("running bitmap and extent tests"); in test_bitmaps_and_extents() 168 * bitmap, but the free space completely in the extent and then in test_bitmaps_and_extents() 169 * completely in the bitmap in test_bitmaps_and_extents() [all...]
/linux/drivers/block/drbd/
H A D	drbd_bitmap.c	15 #include <linux/bitmap.h> 41 * 1 << (38 - 3) bitmap bytes needed 43 * (that's 32 GiB of bitmap for 1 PiB storage) 52 * 22 --> we need that much 4KiB pages of bitmap. 61 * bitmap storage and IO: 62 * Bitmap is stored little endian on disk, and is kept little endian in 63 * core memory. Currently we still hold the full bitmap in core as long 67 * We plan to reduce the amount of in-core bitmap pages by paging them in 115 struct drbd_bitmap *b = device->bitmap; in __bm_print_lock_info() 118 drbd_err(device, "FIXME %s[%d] in %s, bitmap locked for '%s' by %s[%d]\n", in __bm_print_lock_info() [all …]
/linux/drivers/firmware/efi/libstub/
H A D	unaccepted_memory.c	49 * If unaccepted memory is present, allocate a bitmap to track what in allocate_unaccepted_bitmap() 52 * One bit in the bitmap represents 2MiB in the address space: in allocate_unaccepted_bitmap() 53 * A 4k bitmap can track 64GiB of physical address space. in allocate_unaccepted_bitmap() 59 * The bitmap will be populated in setup_e820() according to the memory in allocate_unaccepted_bitmap() 77 memset(unaccepted_table->bitmap, 0, bitmap_size); in allocate_unaccepted_bitmap() 90 * The accepted memory bitmap only works at unit_size granularity. Take 104 * Ensure that at least one bit will be set in the bitmap by in process_unaccepted_memory() 107 * have been represented in the bitmap. But, results in simpler in process_unaccepted_memory() 116 * represented in the bitmap. The 2MB->4MB region can be represented in in process_unaccepted_memory() 117 * the bitmap. But, the 0MB->4MB region is <2*unit_size and will be in process_unaccepted_memory() [all …]
/linux/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/
H A D	dr_buddy.c	19 buddy->bitmap = kzalloc_objs(*buddy->bitmap, buddy->max_order + 1); in mlx5dr_buddy_init() 22 if (!buddy->bitmap \|\| !buddy->num_free) in mlx5dr_buddy_init() 30 buddy->bitmap[i] = bitmap_zalloc(size, GFP_KERNEL); in mlx5dr_buddy_init() 31 if (!buddy->bitmap[i]) in mlx5dr_buddy_init() 39 bitmap_set(buddy->bitmap[buddy->max_order], 0, 1); in mlx5dr_buddy_init() 47 bitmap_free(buddy->bitmap[i]); in mlx5dr_buddy_init() 51 kfree(buddy->bitmap); in mlx5dr_buddy_init() 62 bitmap_free(buddy->bitmap[i]); in mlx5dr_buddy_cleanup() 65 kfree(buddy->bitmap); in mlx5dr_buddy_cleanup() 81 seg = find_first_bit(buddy->bitmap[order_iter], m); in dr_buddy_find_free_seg() [all …]
/linux/fs/hfs/
H A D	bitmap.c	2 * linux/fs/hfs/bitmap.c 10 * This file contains the code to modify the volume bitmap: 29 static u32 hfs_find_set_zero_bits(__be32 bitmap, u32 size, u32 offset, u32 max) in hfs_find_set_zero_bits() argument 40 curr = bitmap + (offset / 32); in hfs_find_set_zero_bits() 41 end = bitmap + ((size + 31) / 32); in hfs_find_set_zero_bits() 70 start = (curr - bitmap) * 32 + i; in hfs_find_set_zero_bits() 108 max = (curr - bitmap) 32 + i - start; in hfs_find_set_zero_bits() 116 * Search for 'num_bits' consecutive cleared bits in the bitmap blocks of 127 * returned range. If the bitmap is fragmented, this will be less than 141 void *bitmap; in hfs_vbm_search_free() local [all …]
/linux/net/ethtool/
H A D	bitset.c	`4 #include <linux/bitmap.h> 27 * ethnl_bitmap32_clear() - Clear u32 based bitmap 28 * @dst: bitmap to clear 31 * @mod: set if bitmap was modified 33 * Clear @nbits bits of a bitmap with indices @start <= i < @end 80 * @map: bitmap to test 117 * ethnl_bitmap32_update() - Modify u32 based bitmap according to value/mask 119 * @dst: bitmap to update 120 * @nbits: bit size of the bitmap 123 * @mod: set to true if bitmap is modified, preserve if not [all …]`
/linux/drivers/s390/cio/
H A D	idset.c	8 #include <linux/bitmap.h> 16 unsigned long bitmap[]; member 33 memset(set->bitmap, 0, idset_bitmap_size(num_ssid, num_id)); in idset_new() 45 memset(set->bitmap, 0xff, in idset_fill() 51 set_bit(ssid * set->num_id + id, set->bitmap); in idset_add() 56 clear_bit(ssid * set->num_id + id, set->bitmap); in idset_del() 61 return test_bit(ssid * set->num_id + id, set->bitmap); in idset_contains() 84 bitmap_clear(set->bitmap, pos, set->num_id - schid.sch_no); in idset_sch_del_subseq() 94 return bitmap_empty(set->bitmap, set->num_ssid * set->num_id); in idset_is_empty() 101 bitmap_or(to->bitmap, to->bitmap, from->bitmap, len); in idset_add_set()
/linux/arch/x86/kernel/
H A D	ioport.c	3 * This contains the io-permission bitmap code - written by obz, with changes 9 #include <linux/bitmap.h> 27 * Take a refcount on current's bitmap. It can be used by in io_bitmap_share() 28 * both tasks as long as none of them changes the bitmap. in io_bitmap_share() 69 * This changes the io permissions bitmap in the current task. 85 * IO bitmap up. ioperm() is much less timing critical than clone(), in ksys_ioperm() 90 /* No point to allocate a bitmap just to clear permissions / in ksys_ioperm() 97 memset(iobm->bitmap, 0xff, sizeof(iobm->bitmap)); in ksys_ioperm() 102 If the bitmap is not shared, then nothing can take a refcount as in ksys_ioperm() 115 * Store the bitmap pointer (might be the same if the task already in ksys_ioperm() [all …]
/linux/Documentation/filesystems/ext4/
H A D	group_descr.rst	39 number, and the group descriptor structure. Both block and inode bitmap 41 entire bitmap. 56 - Lower 32-bits of location of block bitmap. 60 - Lower 32-bits of location of inode bitmap. 84 - Lower 32-bits of location of snapshot exclusion bitmap. 88 - Lower 16-bits of the block bitmap checksum. 92 - Lower 16-bits of the inode bitmap checksum. 116 - Upper 32-bits of location of block bitmap. 120 - Upper 32-bits of location of inodes bitmap. 144 - Upper 32-bits of location of snapshot exclusion bitmap. [all …]

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