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/linux/lib/
H A Dradix-tree.c1 // SPDX-License-Identifier: GPL-2.0-or-later
24 #include <linux/radix-tree.h>
30 #include "radix-tree.h"
33 * Radix tree node cache.
38 * The radix tree is variable-height, so an insert operation not only has
45 * of RADIX_TREE_MAX_PATH size to be created, with only the root node shared.
48 #define RADIX_TREE_PRELOAD_SIZE (RADIX_TREE_MAX_PATH * 2 - 1)
54 #define IDR_INDEX_BITS (8 /* CHAR_BIT */ * sizeof(int) - 1)
57 #define IDR_PRELOAD_SIZE (IDR_MAX_PATH * 2 - 1)
60 * Per-cpu pool of preloaded nodes
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H A Drbtree_test.c1 // SPDX-License-Identifier: GPL-2.0-only
14 __param(int, nnodes, 100, "Number of nodes in the rb-tree");
15 __param(int, perf_loops, 1000, "Number of iterations modifying the rb-tree");
16 __param(int, check_loops, 100, "Number of iterations modifying and verifying the rb-tree");
28 static struct rb_root_cached root = RB_ROOT_CACHED; variable
33 static void insert(struct test_node *node, struct rb_root_cached *root) in insert() argument
35 struct rb_node **new = &root->rb_root.rb_node, *parent = NULL; in insert()
36 u32 key = node->key; in insert()
40 if (key < rb_entry(parent, struct test_node, rb)->key) in insert()
41 new = &parent->rb_left; in insert()
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H A Dbootconfig.c1 // SPDX-License-Identifier: GPL-2.0
31 /* embedded_bootconfig_data is defined in bootconfig-data.S */
37 *size = embedded_bootconfig_data_end - embedded_bootconfig_data; in xbc_get_embedded_bootconfig()
43 /* embedded_kernel_cmdline is defined in embedded-cmdline.S */
51 * str_prepend() - Prepend @src in front of the string in @dst, in place
52 * @dst: NUL-terminated destination buffer, currently @dst_len bytes long
54 * @src: bytes to prepend (not NUL-terminated)
69 * xbc_prepend_embedded_cmdline() - Prepend embedded bootconfig cmdline
73 * Prepend the build-time-rendered "kernel" subtree of the embedded
87 size_t embed_len = embedded_kernel_cmdline_end - embedded_kernel_cmdline; in xbc_prepend_embedded_cmdline()
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/linux/scripts/gdb/linux/
H A Drbtree.py1 # SPDX-License-Identifier: GPL-2.0
12 def rb_inorder_for_each(root): argument
13 def inorder(node): argument
14 if node:
15 yield from inorder(node['rb_left'])
16 yield node
17 yield from inorder(node['rb_right'])
19 yield from inorder(root['rb_node'])
21 def rb_inorder_for_each_entry(root, gdbtype, member): argument
22 for node in rb_inorder_for_each(root):
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H A Dradixtree.py1 # SPDX-License-Identifier: GPL-2.0
20 def is_internal_node(node): argument
22 …return ((node.cast(long_type) & constants.LX_RADIX_TREE_ENTRY_MASK) == constants.LX_RADIX_TREE_INT…
24 def entry_to_node(node): argument
26 node_type = node.type
27 indirect_ptr = node.cast(long_type) & ~constants.LX_RADIX_TREE_INTERNAL_NODE
30 def node_maxindex(node): argument
31 return (constants.LX_RADIX_TREE_MAP_SIZE << node['shift']) - 1
33 def resolve_root(root): argument
34 if root.type == radix_tree_root_type.get_type():
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/linux/arch/x86/kernel/
H A Damd_node.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * AMD Node helper functions and common defines
12 #include <asm/amd/node.h>
18 * The nodes are software-visible through PCI config space. All nodes are enumerated
20 * nodes) with 0x18 corresponding to node 0, 0x19 to node 1, etc. Each node can be a
21 * multi-function device.
23 * On legacy systems, these node devices represent integrated Northbridge functionality.
24 * On Zen-based systems, these node devices represent Data Fabric functionality.
27 * "Processor x86 Core" -> "Configuration Space" section in PPRs.
29 struct pci_dev *amd_node_get_func(u16 node, u8 func) in amd_node_get_func() argument
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/linux/fs/btrfs/
H A Ddelayed-inode.c1 // SPDX-License-Identifier: GPL-2.0
13 #include "delayed-inode.h"
14 #include "disk-io.h"
18 #include "inode-item.h"
19 #include "space-info.h"
21 #include "file-item.h"
33 return -ENOMEM; in btrfs_delayed_inode_init()
44 atomic_set(&delayed_root->items, 0); in btrfs_init_delayed_root()
45 atomic_set(&delayed_root->items_seq, 0); in btrfs_init_delayed_root()
46 delayed_root->nodes = 0; in btrfs_init_delayed_root()
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H A Drelocation.c1 // SPDX-License-Identifier: GPL-2.0
12 #include <linux/error-injection.h>
14 #include "disk-io.h"
19 #include "async-thread.h"
20 #include "free-space-cache.h"
22 #include "print-tree.h"
23 #include "delalloc-space.h"
24 #include "block-group.h"
29 #include "inode-item.h"
30 #include "space-info.h"
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H A Dbackref.c1 // SPDX-License-Identifier: GPL-2.0
10 #include "disk-io.h"
14 #include "delayed-ref.h"
17 #include "tree-mod-log.h"
20 #include "extent-tree.h"
22 #include "tree-checker.h"
42 u64 offset = key->offset; in check_extent_in_eb()
48 if (!ctx->ignore_extent_item_pos && in check_extent_in_eb()
56 if (ctx->extent_item_pos < data_offset || in check_extent_in_eb()
57 ctx->extent_item_pos >= data_offset + data_len) in check_extent_in_eb()
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H A Dref-verify.c1 // SPDX-License-Identifier: GPL-2.0
10 #include "disk-io.h"
12 #include "delayed-ref.h"
13 #include "ref-verify.h"
18 * Used to keep track the roots and number of refs each root has for a given
25 struct rb_node node; member
39 struct rb_node node; member
47 * action so we can account for the history properly, and we record the root we
53 u64 root; member
63 * free it until we unmount the file system in order to make sure re-allocations
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/linux/tools/lib/
H A Drbtree.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * red-black trees properties: https://en.wikipedia.org/wiki/Rbtree
18 * 1) A node is either red or black
19 * 2) The root is black
21 * 4) Both children of every red node are black
22 * 5) Every simple path from root t
76 __rb_rotate_set_parents(struct rb_node * old,struct rb_node * new,struct rb_root * root,int color) __rb_rotate_set_parents() argument
85 __rb_insert(struct rb_node * node,struct rb_root * root,void (* augment_rotate)(struct rb_node * old,struct rb_node * new)) __rb_insert() argument
227 ____rb_erase_color(struct rb_node * parent,struct rb_root * root,void (* augment_rotate)(struct rb_node * old,struct rb_node * new)) ____rb_erase_color() argument
230 struct rb_node *node = NULL, *sibling, *tmp1, *tmp2; ____rb_erase_color() local
410 __rb_erase_color(struct rb_node * parent,struct rb_root * root,void (* augment_rotate)(struct rb_node * old,struct rb_node * new)) __rb_erase_color() argument
423 dummy_propagate(struct rb_node * node,struct rb_node * stop) dummy_propagate() argument
433 rb_insert_color(struct rb_node * node,struct rb_root * root) rb_insert_color() argument
438 rb_erase(struct rb_node * node,struct rb_root * root) rb_erase() argument
453 __rb_insert_augmented(struct rb_node * node,struct rb_root * root,void (* augment_rotate)(struct rb_node * old,struct rb_node * new)) __rb_insert_augmented() argument
462 rb_first(const struct rb_root * root) rb_first() argument
474 rb_last(const struct rb_root * root) rb_last() argument
486 rb_next(const struct rb_node * node) rb_next() argument
517 rb_prev(const struct rb_node * node) rb_prev() argument
546 rb_replace_node(struct rb_node * victim,struct rb_node * new,struct rb_root * root) rb_replace_node() argument
561 rb_left_deepest_node(const struct rb_node * node) rb_left_deepest_node() argument
573 rb_next_postorder(const struct rb_node * node) rb_next_postorder() argument
591 rb_first_postorder(const struct rb_root * root) rb_first_postorder() argument
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/linux/tools/perf/util/
H A Dstrfilter.c1 // SPDX-License-Identifier: GPL-2.0
19 static void strfilter_node__delete(struct strfilter_node *node) in strfilter_node__delete() argument
21 if (node) { in strfilter_node__delete()
22 if (node->p && !is_operator(*node->p)) in strfilter_node__delete()
23 zfree((char **)&node->p); in strfilter_node__delete()
24 strfilter_node__delete(node->l); in strfilter_node__delete()
25 strfilter_node__delete(node->r); in strfilter_node__delete()
26 free(node); in strfilter_node__delete()
33 strfilter_node__delete(filter->root); in strfilter__delete()
56 if (*(p - 1) == '\\' || (*p == '!' && *(p - 1) == '[')) { in get_token()
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H A Dcallchain.h1 /* SPDX-License-Identifier: GPL-2.0 */
20 #define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace):\n\n"
77 struct callchain_node node; member
148 /* Indicate valid cursor node for LBR stitch */
160 struct list_head node; member
172 static inline void callchain_init(struct callchain_root *root) in callchain_init() argument
174 INIT_LIST_HEAD(&root->nod in callchain_init()
184 callchain_cumul_hits(struct callchain_node * node) callchain_cumul_hits() argument
189 callchain_cumul_counts(struct callchain_node * node) callchain_cumul_counts() argument
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H A Dblock-range.c1 // SPDX-License-Identifier: GPL-2.0
2 #include "block-range.h"
8 struct rb_root root; member
18 for (rb = rb_first(&block_ranges.root); rb; rb = rb_next(rb)) { in block_range__debug()
19 struct block_range *entry = rb_entry(rb, struct block_range, node); in block_range__debug()
21 assert(old < entry->start); in block_range__debug()
22 assert(entry->start <= entry->en in block_range__debug()
50 rb_link_left_of_node(struct rb_node * left,struct rb_node * node) rb_link_left_of_node() argument
60 rb_link_right_of_node(struct rb_node * right,struct rb_node * node) rb_link_right_of_node() argument
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/linux/include/linux/
H A Drbtree_augmented.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
20 * Please note - only struct rb_augment_callbacks and the prototypes for
24 * See Documentation/core-api/rbtree.rst for documentation and samples.
28 void (*propagate)(struct rb_node *node, struct rb_node *stop);
33 extern void __rb_insert_augmented(struct rb_node *node, struct rb_root *root,
40 * leading to the inserted node, then call rb_link_node() as usual and
47 rb_insert_augmented(struct rb_node *node, struct rb_root *root, in rb_insert_augmented() argument
50 __rb_insert_augmented(node, root, augment->rotate); in rb_insert_augmented()
54 rb_insert_augmented_cached(struct rb_node *node, in rb_insert_augmented_cached() argument
55 struct rb_root_cached *root, bool newleft, in rb_insert_augmented_cached() argument
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/linux/tools/include/linux/
H A Drbtree.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 See Documentation/core-api/rbtree.rst for documentation and samples.
34 #define rb_parent(r) ((struct rb_node *)((r)->__rb_parent_color & ~3))
39 #define RB_EMPTY_ROOT(root) (READ_ONCE((root)->rb_node) == NULL) argument
42 #define RB_EMPTY_NODE(node) \ argument
43 ((node)->__rb_parent_color == (unsigned long)(node))
44 #define RB_CLEAR_NODE(node) \ argument
45 ((node)->__rb_parent_color = (unsigned long)(node))
58 /* Postorder iteration - always visit the parent after its children */
62 /* Fast replacement of a single node without remove/rebalance/add/rebalance */
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H A Drbtree_augmented.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
22 * Please note - only struct rb_augment_callbacks and the prototypes for
26 * See Documentation/core-api/rbtree.rst for documentation and samples.
30 void (*propagate)(struct rb_node *node, struct rb_node *stop);
35 extern void __rb_insert_augmented(struct rb_node *node, struct rb_root *root,
49 rb_insert_augmented(struct rb_node * node,struct rb_root * root,const struct rb_augment_callbacks * augment) rb_insert_augmented() argument
56 rb_insert_augmented_cached(struct rb_node * node,struct rb_root_cached * root,bool newleft,const struct rb_augment_callbacks * augment) rb_insert_augmented_cached() argument
57 rb_insert_augmented_cached(struct rb_node * node,struct rb_root_cached * root,bool newleft,const struct rb_augment_callbacks * augment) rb_insert_augmented_cached() argument
172 __rb_change_child(struct rb_node * old,struct rb_node * new,struct rb_node * parent,struct rb_root * root) __rb_change_child() argument
187 __rb_erase_augmented(struct rb_node * node,struct rb_root * root,const struct rb_augment_callbacks * augment) __rb_erase_augmented() argument
291 rb_erase_augmented(struct rb_node * node,struct rb_root * root,const struct rb_augment_callbacks * augment) rb_erase_augmented() argument
300 rb_erase_augmented_cached(struct rb_node * node,struct rb_root_cached * root,const struct rb_augment_callbacks * augment) rb_erase_augmented_cached() argument
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/linux/drivers/block/drbd/
H A Ddrbd_interval.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * interval_end - return end of @node
10 sector_t interval_end(struct rb_node *node) in interval_end() argument
12 struct drbd_interval *this = rb_entry(node, struct drbd_interval, rb); in interval_end()
13 return this->end; in interval_end()
16 #define NODE_END(node) ((node)->sector + ((node)->size >> 9)) argument
22 * drbd_insert_interval - insert a new interval into a tree
25 drbd_insert_interval(struct rb_root *root, struct drbd_interval *this) in drbd_insert_interval() argument
27 struct rb_node **new = &root->rb_node, *parent = NULL; in drbd_insert_interval()
28 sector_t this_end = this->sector + (this->size >> 9); in drbd_insert_interval()
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/linux/Documentation/translations/zh_CN/core-api/
H A Drbtree.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../disclaimer-zh_CN.rst
4 :Original: Documentation/core-api/rbtree.rst
19 --------------------------
42 https://en.wikipedia.org/wiki/Red-black_tree
45 -----------------
55 --------------
60 struct rb_node node;
65 宏访问。此外，个体成员可直接用rb_entry(node, type, member)访问。
72 --------------------
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/linux/fs/nfs/blocklayout/
H A Dextent_tree.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2014-2016 Christoph Hellwig.
14 ext_node(struct rb_node *node) in ext_node() argument
16 return rb_entry(node, struct pnfs_block_extent, be_node); in ext_node()
20 ext_tree_first(struct rb_root *root) in ext_tree_first() argument
22 struct rb_node *node = rb_first(root); in ext_tree_first() local
23 return node ? ext_node(node) : NULL; in ext_tree_first()
29 struct rb_node *node = rb_prev(&be->be_node); in ext_tree_prev() local
30 return node ? ext_node(node) : NULL; in ext_tree_prev()
36 struct rb_node *node = rb_next(&be->be_node); in ext_tree_next() local
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/linux/drivers/infiniband/hw/hfi1/
H A Dmmu_rb.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
4 * Copyright(c) 2016 - 2017 Intel Corporation.
29 INTERVAL_TREE_DEFINE(struct mmu_rb_node, node, unsigned long, __last,
32 static unsigned long mmu_node_start(struct mmu_rb_node *node) in mmu_node_start() argument
34 return node->addr & PAGE_MASK; in mmu_node_start()
37 static unsigned long mmu_node_last(struct mmu_rb_node *node) in mmu_node_last() argument
39 return PAGE_ALIGN(node->addr + node->len) - 1; in mmu_node_last()
51 free_ptr = kzalloc(sizeof(*h) + cache_line_size() - 1, GFP_KERNEL); in hfi1_mmu_rb_register()
53 return -ENOMEM; in hfi1_mmu_rb_register()
56 h->root = RB_ROOT_CACHED; in hfi1_mmu_rb_register()
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/linux/drivers/net/ethernet/marvell/octeontx2/nic/
H A Dqos.c1 // SPDX-License-Identifier: GPL-2.0
28 struct otx2_hw *hw = &pfvf->hw; in otx2_qos_update_tx_netdev_queues()
31 qos_txqs = bitmap_weight(pfvf->qos.qos_sq_bmap, in otx2_qos_update_tx_netdev_queues()
34 tx_queues = hw->tx_queues + qos_txqs; in otx2_qos_update_tx_netdev_queues()
36 err = netif_set_real_num_tx_queues(pfvf->netdev, tx_queues); in otx2_qos_update_tx_netdev_queues()
38 netdev_err(pfvf->netdev, in otx2_qos_update_tx_netdev_queues()
44 static void otx2_qos_get_regaddr(struct otx2_qos_node *node, in otx2_qos_get_regaddr() argument
48 if (node->level == NIX_TXSCH_LVL_SMQ) { in otx2_qos_get_regaddr()
49 cfg->reg[index++] = NIX_AF_MDQX_PARENT(node->schq); in otx2_qos_get_regaddr()
50 cfg->reg[index++] = NIX_AF_MDQX_SCHEDULE(node->schq); in otx2_qos_get_regaddr()
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/linux/drivers/infiniband/hw/usnic/
H A Dusnic_uiom_interval_tree.c14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
42 #define START(node) ((node)->start) argument
43 #define LAST(node) ((node)->last) argument
45 #define MAKE_NODE(node, start, end, ref_cnt, flags, err, err_out) \ argument
47 node = usnic_uiom_interval_node_alloc(start, \
49 if (!node) { \
50 err = -ENOMEM; \
55 #define MARK_FOR_ADD(node, list) (list_add_tail(&node->link, list)) argument
57 #define MAKE_NODE_AND_APPEND(node, start, end, ref_cnt, flags, err, \ argument
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/linux/tools/net/sunrpc/xdrgen/subcmds/
H A Dsource.py33 def emit_source_decoder(node: _XdrAst, language: str, peer: str) -> None:
35 if isinstance(node, _XdrEnum):
37 elif isinstance(node, _XdrPointer):
39 elif isinstance(node, _XdrTypedef):
41 elif isinstance(node, _XdrStruct):
43 elif isinstance(node, _XdrUnion):
45 elif isinstance(node, _RpcProgram):
49 gen.emit_decoder(node)
52 def emit_source_encoder(node: _XdrAst, language: str, peer: str) -> None:
54 if isinstance(node, _XdrEnum):
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/linux/tools/testing/radix-tree/
H A Dtest.c1 // SPDX-License-Identifier: GPL-2.0
12 item_tag_set(struct radix_tree_root *root, unsigned long index, int tag) in item_tag_set() argument
14 return radix_tree_tag_set(root, index, tag); in item_tag_set()
18 item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag) in item_tag_clear() argument
20 return radix_tree_tag_clear(root, index, tag); in item_tag_clear()
23 int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag) in item_tag_get() argument
25 return radix_tree_tag_get(root, index, tag); in item_tag_get()
32 ret->index = index; in item_create()
33 ret->order = order; in item_create()
37 int item_insert(struct radix_tree_root *root, unsigned long index) in item_insert() argument
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