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/linux/include/linux/
H A Dpage_ref.h29 extern void __page_ref_set(struct page *page, int v);
30 extern void __page_ref_mod(struct page *page, int v);
31 extern void __page_ref_mod_and_test(struct page *page, int v, int ret);
32 extern void __page_ref_mod_and_return(struct page *page, int v, int ret);
33 extern void __page_ref_mod_unless(struct page *page, int v, int u);
34 extern void __page_ref_freeze(struct page *page, int v, int ret);
35 extern void __page_ref_unfreeze(struct page *page, int v);
41 static inline void __page_ref_set(struct page *page, int v) in __page_ref_set() argument
44 static inline void __page_ref_mod(struct page *page, int v) in __page_ref_mod() argument
47 static inline void __page_ref_mod_and_test(struct page *page, int v, int ret) in __page_ref_mod_and_test() argument
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H A Dpage-flags.h204 static __always_inline const struct page *page_fixed_fake_head(const struct page *page) in page_fixed_fake_head() argument
207 return page; in page_fixed_fake_head()
215 if (IS_ALIGNED((unsigned long)page, PAGE_SIZE) && in page_fixed_fake_head()
216 test_bit(PG_head, &page->flags)) { in page_fixed_fake_head()
222 unsigned long head = READ_ONCE(page[1].compound_head); in page_fixed_fake_head()
225 return (const struct page *)(head - 1); in page_fixed_fake_head()
227 return page; in page_fixed_fake_head()
230 static inline const struct page *page_fixed_fake_head(const struct page *page) in page_fixed_fake_head() argument
232 return page; in page_fixed_fake_head()
236 static __always_inline int page_is_fake_head(const struct page *page) in page_is_fake_head() argument
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H A Dhighmem-internal.h10 void *__kmap_local_page_prot(struct page *page, pgprot_t prot);
35 void *kmap_high(struct page *page);
36 void kunmap_high(struct page *page);
38 struct page *__kmap_to_page(void *addr);
40 static inline void *kmap(struct page *page) in kmap() argument
45 if (!PageHighMem(page)) in kmap()
46 addr = page_address(page); in kmap()
48 addr = kmap_high(page); in kmap()
53 static inline void kunmap(struct page *page) in kunmap() argument
56 if (!PageHighMem(page)) in kunmap()
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H A Dballoon_compaction.h58 int (*migratepage)(struct balloon_dev_info *, struct page *newpage,
59 struct page *page, enum migrate_mode mode);
62 extern struct page *balloon_page_alloc(void);
64 struct page *page);
65 extern struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_info);
92 struct page *page) in balloon_page_insert() argument
94 __SetPageOffline(page); in balloon_page_insert()
95 __SetPageMovable(page, &balloon_mops); in balloon_page_insert()
96 set_page_private(page, (unsigned long)balloon); in balloon_page_insert()
97 list_add(&page->lru, &balloon->pages); in balloon_page_insert()
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H A Dpage_owner.h11 extern void __reset_page_owner(struct page *page, unsigned short order);
12 extern void __set_page_owner(struct page *page,
14 extern void __split_page_owner(struct page *page, int old_order,
17 extern void __set_page_owner_migrate_reason(struct page *page, int reason);
18 extern void __dump_page_owner(const struct page *page);
22 static inline void reset_page_owner(struct page *page, unsigned short order) in reset_page_owner() argument
25 __reset_page_owner(page, order); in reset_page_owner()
28 static inline void set_page_owner(struct page *page, in set_page_owner() argument
32 __set_page_owner(page, order, gfp_mask); in set_page_owner()
35 static inline void split_page_owner(struct page *page, int old_order, in split_page_owner() argument
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H A Dhighmem.h37 static inline void *kmap(struct page *page);
46 static inline void kunmap(struct page *page);
54 static inline struct page *kmap_to_page(void *addr);
96 static inline void *kmap_local_page(struct page *page);
179 static inline void *kmap_atomic(struct page *page);
186 static inline void flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma… in flush_anon_page() argument
202 static inline void clear_user_highpage(struct page *page, unsigned long vaddr) in clear_user_highpage() argument
204 void *addr = kmap_local_page(page); in clear_user_highpage()
205 clear_user_page(addr, vaddr, page); in clear_user_highpage()
231 clear_user_highpage(&folio->page, vaddr); in vma_alloc_zeroed_movable_folio()
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H A Dmm.h149 static inline void __mm_zero_struct_page(struct page *page) in __mm_zero_struct_page() argument
151 unsigned long *_pp = (void *)page; in __mm_zero_struct_page()
154 BUILD_BUG_ON(sizeof(struct page) & 7); in __mm_zero_struct_page()
155 BUILD_BUG_ON(sizeof(struct page) < 56); in __mm_zero_struct_page()
156 BUILD_BUG_ON(sizeof(struct page) > 96); in __mm_zero_struct_page()
158 switch (sizeof(struct page)) { in __mm_zero_struct_page()
185 #define mm_zero_struct_page(pp) ((void)memset((pp), 0, sizeof(struct page)))
224 #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n)) argument
227 #define nth_page(page,n) ((page) + (n)) argument
228 #define folio_page_idx(folio, p) ((p) - &(folio)->page)
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H A Dpgalloc_tag.h25 struct page *page; /* reference in page flags */ member
101 static inline bool get_page_tag_ref(struct page *page, union codetag_ref *ref, in get_page_tag_ref() argument
104 if (!page) in get_page_tag_ref()
110 idx = (page->flags >> alloc_tag_ref_offs) & alloc_tag_ref_mask; in get_page_tag_ref()
112 handle->page = page; in get_page_tag_ref()
117 page_ext = page_ext_get(page); in get_page_tag_ref()
141 struct page *page = handle.page; in update_page_tag_ref() local
146 if (WARN_ON(!page || !ref)) in update_page_tag_ref()
152 old_flags = READ_ONCE(page->flags); in update_page_tag_ref()
156 } while (unlikely(!try_cmpxchg(&page->flags, &old_flags, flags))); in update_page_tag_ref()
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H A Dpageblock-flags.h66 struct page;
68 unsigned long get_pfnblock_flags_mask(const struct page *page,
72 void set_pfnblock_flags_mask(struct page *page,
79 #define get_pageblock_skip(page) \ argument
80 get_pfnblock_flags_mask(page, page_to_pfn(page), \
82 #define clear_pageblock_skip(page) \ argument
83 set_pfnblock_flags_mask(page, 0, page_to_pfn(page), \
85 #define set_pageblock_skip(page) \ argument
86 set_pfnblock_flags_mask(page, (1 << PB_migrate_skip), \
87 page_to_pfn(page), \
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/linux/mm/
H A Dpage_isolation.c33 static struct page *has_unmovable_pages(unsigned long start_pfn, unsigned long end_pfn, in has_unmovable_pages()
36 struct page *page = pfn_to_page(start_pfn); in has_unmovable_pages() local
37 struct zone *zone = page_zone(page); in has_unmovable_pages()
43 if (is_migrate_cma_page(page)) { in has_unmovable_pages()
52 return page; in has_unmovable_pages()
56 page = pfn_to_page(pfn); in has_unmovable_pages()
64 if (PageReserved(page)) in has_unmovable_pages()
65 return page; in has_unmovable_pages()
81 if (PageHuge(page) || PageTransCompound(page)) { in has_unmovable_pages()
82 struct folio *folio = page_folio(page); in has_unmovable_pages()
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H A Dpage_alloc.c214 static void __free_pages_ok(struct page *page, unsigned int order,
288 static bool page_contains_unaccepted(struct page *page, unsigned int order);
290 static bool __free_unaccepted(struct page *page);
331 static inline unsigned long *get_pageblock_bitmap(const struct page *page, in get_pageblock_bitmap() argument
337 return page_zone(page)->pageblock_flags; in get_pageblock_bitmap()
341 static inline int pfn_to_bitidx(const struct page *page, unsigned long pfn) in pfn_to_bitidx() argument
346 pfn = pfn - pageblock_start_pfn(page_zone(page)->zone_start_pfn); in pfn_to_bitidx()
359 unsigned long get_pfnblock_flags_mask(const struct page *page, in get_pfnblock_flags_mask() argument
366 bitmap = get_pageblock_bitmap(page, pfn); in get_pfnblock_flags_mask()
367 bitidx = pfn_to_bitidx(page, pfn); in get_pfnblock_flags_mask()
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H A Dballoon_compaction.c15 struct page *page) in balloon_page_enqueue_one() argument
23 BUG_ON(!trylock_page(page)); in balloon_page_enqueue_one()
24 balloon_page_insert(b_dev_info, page); in balloon_page_enqueue_one()
25 unlock_page(page); in balloon_page_enqueue_one()
43 struct page *page, *tmp; in balloon_page_list_enqueue() local
48 list_for_each_entry_safe(page, tmp, pages, lru) { in balloon_page_list_enqueue()
49 list_del(&page->lru); in balloon_page_list_enqueue()
50 balloon_page_enqueue_one(b_dev_info, page); in balloon_page_list_enqueue()
79 struct page *page, *tmp; in balloon_page_list_dequeue() local
84 list_for_each_entry_safe(page, tmp, &b_dev_info->pages, lru) { in balloon_page_list_dequeue()
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H A Ddebug_page_ref.c8 void __page_ref_set(struct page *page, int v) in __page_ref_set() argument
10 trace_page_ref_set(page, v); in __page_ref_set()
15 void __page_ref_mod(struct page *page, int v) in __page_ref_mod() argument
17 trace_page_ref_mod(page, v); in __page_ref_mod()
22 void __page_ref_mod_and_test(struct page *page, int v, int ret) in __page_ref_mod_and_test() argument
24 trace_page_ref_mod_and_test(page, v, ret); in __page_ref_mod_and_test()
29 void __page_ref_mod_and_return(struct page *page, int v, int ret) in __page_ref_mod_and_return() argument
31 trace_page_ref_mod_and_return(page, v, ret); in __page_ref_mod_and_return()
36 void __page_ref_mod_unless(struct page *page, int v, int u) in __page_ref_mod_unless() argument
38 trace_page_ref_mod_unless(page, v, u); in __page_ref_mod_unless()
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/linux/drivers/iommu/
H A Diommu-pages.h28 static inline void __iommu_alloc_account(struct page *page, int order) in __iommu_alloc_account() argument
32 mod_node_page_state(page_pgdat(page), NR_IOMMU_PAGES, pgcnt); in __iommu_alloc_account()
33 mod_lruvec_page_state(page, NR_SECONDARY_PAGETABLE, pgcnt); in __iommu_alloc_account()
41 static inline void __iommu_free_account(struct page *page, int order) in __iommu_free_account() argument
45 mod_node_page_state(page_pgdat(page), NR_IOMMU_PAGES, -pgcnt); in __iommu_free_account()
46 mod_lruvec_page_state(page, NR_SECONDARY_PAGETABLE, -pgcnt); in __iommu_free_account()
56 static inline struct page *__iommu_alloc_pages(gfp_t gfp, int order) in __iommu_alloc_pages()
58 struct page *page; in __iommu_alloc_pages() local
60 page = alloc_pages(gfp | __GFP_ZERO, order); in __iommu_alloc_pages()
61 if (unlikely(!page)) in __iommu_alloc_pages()
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/linux/sound/pci/trident/
H A Dtrident_memory.c22 #define __set_tlb_bus(trident,page,addr) \ argument
23 (trident)->tlb.entries[page] = cpu_to_le32((addr) & ~(SNDRV_TRIDENT_PAGE_SIZE-1))
24 #define __tlb_to_addr(trident,page) \ argument
25 (dma_addr_t)le32_to_cpu((trident->tlb.entries[page]) & ~(SNDRV_TRIDENT_PAGE_SIZE - 1))
32 #define set_tlb_bus(trident,page,addr) __set_tlb_bus(trident,page,addr) argument
34 #define set_silent_tlb(trident,page) __set_tlb_bus(trident, page, trident->tlb.silent_page->addr) argument
38 #define aligned_page_offset(page) ((page) << 12) argument
40 #define page_to_addr(trident,page) __tlb_to_addr(trident, page) argument
47 #define aligned_page_offset(page) ((page) << 13) argument
48 #define page_to_addr(trident,page) __tlb_to_addr(trident, (page) << 1) argument
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/linux/include/trace/events/
H A Dpage_ref.h15 TP_PROTO(struct page *page, int v),
17 TP_ARGS(page, v),
30 __entry->pfn = page_to_pfn(page);
31 __entry->flags = page->flags;
32 __entry->count = page_ref_count(page);
33 __entry->mapcount = atomic_read(&page->_mapcount);
34 __entry->mapping = page->mapping;
35 __entry->mt = get_pageblock_migratetype(page);
49 TP_PROTO(struct page *pag
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/linux/Documentation/trace/
H A Dring-buffer-design.rst40 - A page outside the ring buffer used solely (for the most part)
44 - a pointer to the page that the reader will use next
47 - a pointer to the page that will be written to next
50 - a pointer to the page with the last finished non-nested write.
110 At initialization a reader page is allocated for the reader that is not
114 to the same page.
116 The reader page is initialized to have its next pointer pointing to
117 the head page, and its previous pointer pointing to a page before
118 the head page.
120 The reader has its own page to use. At start up time, this page is
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/linux/mm/kmsan/
H A Dshadow.c22 #define shadow_page_for(page) ((page)->kmsan_shadow) argument
24 #define origin_page_for(page) ((page)->kmsan_origin) argument
26 static void *shadow_ptr_for(struct page *page) in shadow_ptr_for() argument
28 return page_address(shadow_page_for(page)); in shadow_ptr_for()
31 static void *origin_ptr_for(struct page *page) in origin_ptr_for() argument
33 return page_address(origin_page_for(page)); in origin_ptr_for()
36 page_has_metadata(struct page * page) page_has_metadata() argument
41 set_no_shadow_origin_page(struct page * page) set_no_shadow_origin_page() argument
127 struct page *page; kmsan_get_metadata() local
170 kmsan_alloc_page(struct page * page,unsigned int order,gfp_t flags) kmsan_alloc_page() argument
205 kmsan_free_page(struct page * page,unsigned int order) kmsan_free_page() argument
278 struct page *page; kmsan_init_alloc_meta_for_range() local
301 kmsan_setup_meta(struct page * page,struct page * shadow,struct page * origin,int order) kmsan_setup_meta() argument
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/linux/arch/openrisc/include/asm/
H A Dcacheflush.h24 extern void local_dcache_page_flush(struct page *page);
25 extern void local_icache_page_inv(struct page *page);
33 #define dcache_page_flush(page) local_dcache_page_flush(page) argument
34 #define icache_page_inv(page) local_icache_page_inv(page) argument
36 #define dcache_page_flush(page) local_dcache_page_flush(page) argument
37 #define icache_page_inv(page) smp_icache_page_inv(page) argument
38 extern void smp_icache_page_inv(struct page *page);
45 static inline void sync_icache_dcache(struct page *page) in sync_icache_dcache() argument
48 dcache_page_flush(page); in sync_icache_dcache()
49 icache_page_inv(page); in sync_icache_dcache()
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/linux/sound/pci/emu10k1/
H A Dmemory.c21 #define __set_ptb_entry(emu,page,addr) \ argument
22 (((__le32 *)(emu)->ptb_pages.area)[page] = \
23 cpu_to_le32(((addr) << (emu->address_mode)) | (page)))
24 #define __get_ptb_entry(emu, page) \ argument
25 (le32_to_cpu(((__le32 *)(emu)->ptb_pages.area)[page]))
33 #define aligned_page_offset(page) ((page) << PAGE_SHIFT) argument
37 #define set_ptb_entry(emu,page,addr) __set_ptb_entry(emu,page,addr) argument
39 #define set_silent_ptb(emu,page) __set_ptb_entry(emu,page,emu->silent_page.addr) argument
42 static inline void set_ptb_entry(struct snd_emu10k1 *emu, int page, dma_addr_t addr) in set_ptb_entry() argument
45 page *= UNIT_PAGES; in set_ptb_entry()
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/linux/drivers/target/
H A Dtarget_core_stat.c48 static ssize_t target_stat_inst_show(struct config_item *item, char *page) in target_stat_inst_show() argument
52 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index); in target_stat_inst_show()
55 static ssize_t target_stat_indx_show(struct config_item *item, char *page) in target_stat_indx_show() argument
57 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index); in target_stat_indx_show()
60 static ssize_t target_stat_role_show(struct config_item *item, char *page) in target_stat_role_show() argument
62 return snprintf(page, PAGE_SIZE, "Target\n"); in target_stat_role_show()
65 static ssize_t target_stat_ports_show(struct config_item *item, char *page) in target_stat_ports_show() argument
67 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->export_count); in target_stat_ports_show()
98 static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page) in target_stat_tgt_inst_show() argument
102 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index); in target_stat_tgt_inst_show()
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/linux/drivers/target/iscsi/
H A Discsi_target_stat.c51 char *page) in iscsi_stat_instance_inst_show() argument
53 return snprintf(page, PAGE_SIZE, "%u\n", in iscsi_stat_instance_inst_show()
58 char *page) in iscsi_stat_instance_min_ver_show() argument
60 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION); in iscsi_stat_instance_min_ver_show()
64 char *page) in iscsi_stat_instance_max_ver_show() argument
66 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION); in iscsi_stat_instance_max_ver_show()
70 char *page) in iscsi_stat_instance_portals_show() argument
72 return snprintf(page, PAGE_SIZE, "%u\n", in iscsi_stat_instance_portals_show()
77 char *page) in iscsi_stat_instance_nodes_show() argument
79 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES); in iscsi_stat_instance_nodes_show()
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/linux/net/ceph/
H A Dpagelist.c32 struct page *page = list_entry(pl->head.prev, struct page, lru); in ceph_pagelist_unmap_tail() local
33 kunmap(page); in ceph_pagelist_unmap_tail()
44 struct page *page = list_first_entry(&pl->head, struct page, in ceph_pagelist_release() local
46 list_del(&page->lru); in ceph_pagelist_release()
47 __free_page(page); in ceph_pagelist_release()
56 struct page *page; in ceph_pagelist_addpage() local
59 page = __page_cache_alloc(GFP_NOFS); in ceph_pagelist_addpage()
61 page = list_first_entry(&pl->free_list, struct page, lru); in ceph_pagelist_addpage()
62 list_del(&page->lru); in ceph_pagelist_addpage()
65 if (!page) in ceph_pagelist_addpage()
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/linux/drivers/nvme/target/
H A Dconfigfs.c66 static ssize_t nvmet_addr_adrfam_show(struct config_item *item, char *page) in nvmet_addr_adrfam_show() argument
73 return snprintf(page, PAGE_SIZE, "%s\n", in nvmet_addr_adrfam_show()
77 return snprintf(page, PAGE_SIZE, "\n"); in nvmet_addr_adrfam_show()
81 const char *page, size_t count) in nvmet_addr_adrfam_store() argument
90 if (sysfs_streq(page, nvmet_addr_family[i].name)) in nvmet_addr_adrfam_store()
94 pr_err("Invalid value '%s' for adrfam\n", page); in nvmet_addr_adrfam_store()
105 char *page) in nvmet_addr_portid_show() argument
109 return snprintf(page, PAGE_SIZE, "%d\n", le16_to_cpu(portid)); in nvmet_addr_portid_show()
113 const char *page, size_t count) in nvmet_addr_portid_store() argument
118 if (kstrtou16(page, 0, &portid)) { in nvmet_addr_portid_store()
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/linux/drivers/xen/
H A Dballoon.c64 #include <asm/page.h>
75 #include <xen/page.h>
104 * Use one extent per PAGE_SIZE to avoid to break down the page into
133 /* We increase/decrease in batches which fit in a page */
146 /* balloon_append: add the given page to the balloon. */
147 static void balloon_append(struct page *page) in balloon_append() argument
149 if (!PageOffline(page)) in balloon_append()
150 __SetPageOffline(page); in balloon_append()
153 if (PageHighMem(page)) { in balloon_append()
166 struct page *page; balloon_retrieve() local
185 balloon_next_page(struct page * page) balloon_next_page() argument
340 xen_online_page(struct page * page,unsigned int order) xen_online_page() argument
390 struct page *page; increase_reservation() local
433 struct page *page, *tmp; decrease_reservation() local
607 struct page *page; xen_alloc_ballooned_pages() local
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