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/Linux-v5.15/tools/vm/
Dslabinfo.c54 struct slabinfo *slab; member
337 if (a->slab == find && in find_one_alias()
1107 a->slab = s; in link_slabs()
1126 if (!show_single_ref && a->slab->refs == 1) in alias()
1131 if (strcmp(a->slab->name, active) == 0) { in alias()
1136 printf("\n%-12s <- %s", a->slab->name, a->name); in alias()
1137 active = a->slab->name; in alias()
1140 printf("%-15s -> %s\n", a->name, a->slab->name); in alias()
1170 static int slab_mismatch(char *slab) in slab_mismatch() argument
1172 return regexec(&pattern, slab, 0, NULL, 0); in slab_mismatch()
[all …]
/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-kernel-slab1 What: /sys/kernel/slab
7 The /sys/kernel/slab directory contains a snapshot of the
13 What: /sys/kernel/slab/cache/aliases
22 What: /sys/kernel/slab/cache/align
31 What: /sys/kernel/slab/cache/alloc_calls
42 What: /sys/kernel/slab/cache/alloc_fastpath
53 What: /sys/kernel/slab/cache/alloc_from_partial
59 The alloc_from_partial file shows how many times a cpu slab has
60 been full and it has been refilled by using a slab from the list
65 What: /sys/kernel/slab/cache/alloc_refill
[all …]
/Linux-v5.15/lib/
Dsg_pool.c13 struct kmem_cache *slab; member
150 sgp->slab = kmem_cache_create(sgp->name, size, 0, in sg_pool_init()
152 if (!sgp->slab) { in sg_pool_init()
159 sgp->slab); in sg_pool_init()
174 kmem_cache_destroy(sgp->slab); in sg_pool_init()
187 kmem_cache_destroy(sgp->slab); in sg_pool_exit()
Dstackdepot.c230 void *slab; in stack_depot_fetch() local
240 slab = stack_slabs[parts.slabindex]; in stack_depot_fetch()
241 if (!slab) in stack_depot_fetch()
243 stack = slab + offset; in stack_depot_fetch()
/Linux-v5.15/Documentation/vm/
Dslub.rst9 slab caches. SLUB always includes full debugging but it is off by default.
40 slub_debug=<Debug-Options>,<slab name1>,<slab name2>,...
47 of the first "select slabs" blocks that matches the slab's name are applied.
59 caused higher minimum slab orders
72 end of the slab name, in order to cover all slabs with the same prefix. For
78 Red zoning and tracking may realign the slab. We can just apply sanity checks
83 Debugging options may require the minimum possible slab order to increase as
85 sizes). This has a higher liklihood of resulting in slab allocation errors
91 You can apply different options to different list of slab names, using blocks
99 debugged by specifying global debug options followed by a list of slab names
[all …]
Dsplit_page_table_lock.rst61 Make sure the architecture doesn't use slab allocator for page table
62 allocation: slab uses page->slab_cache for its pages.
/Linux-v5.15/net/dccp/
Dccid.c81 struct kmem_cache *slab; in ccid_kmem_cache_create() local
88 slab = kmem_cache_create(slab_name_fmt, sizeof(struct ccid) + obj_size, 0, in ccid_kmem_cache_create()
90 return slab; in ccid_kmem_cache_create()
93 static void ccid_kmem_cache_destroy(struct kmem_cache *slab) in ccid_kmem_cache_destroy() argument
95 kmem_cache_destroy(slab); in ccid_kmem_cache_destroy()
/Linux-v5.15/tools/perf/Documentation/
Dperf-kmem.txt44 Sort the output (default: 'frag,hit,bytes' for slab and 'bytes,hit'
46 pingpong, frag' for slab and 'page, callsite, bytes, hit, order,
48 mode selection options - i.e. --slab, --page, --alloc and/or --caller.
57 --slab::
/Linux-v5.15/include/net/
Drequest_sock.h30 struct kmem_cache *slab; member
91 req = kmem_cache_alloc(ops->slab, GFP_ATOMIC | __GFP_NOWARN); in reqsk_alloc()
97 kmem_cache_free(ops->slab, req); in reqsk_alloc()
121 kmem_cache_free(req->rsk_ops->slab, req); in __reqsk_free()
/Linux-v5.15/tools/testing/selftests/cgroup/
Dtest_kmem.c165 long current, slab, anon, file, kernel_stack, pagetables, percpu, sock, sum; in test_kmem_memcg_deletion() local
183 slab = cg_read_key_long(parent, "memory.stat", "slab "); in test_kmem_memcg_deletion()
190 if (current < 0 || slab < 0 || anon < 0 || file < 0 || in test_kmem_memcg_deletion()
194 sum = slab + anon + file + kernel_stack + pagetables + percpu + sock; in test_kmem_memcg_deletion()
200 printf("slab = %ld\n", slab); in test_kmem_memcg_deletion()
/Linux-v5.15/Documentation/translations/zh_CN/dev-tools/
Dkasan.rst58 要将受影响的slab对象的alloc和free堆栈跟踪包含到报告中，请启用
68 BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [test_kasan]
124 flags: 0x200000000000100(slab)
139 堆栈跟踪、所访问内存分配位置的堆栈跟踪（对于访问了slab对象的情况）以及对象
141 slab对象的描述以及关于访问的内存页的信息。
159 请注意，KASAN错误标题（如 ``slab-out-of-bounds`` 或 ``use-after-free`` ）
/Linux-v5.15/tools/testing/scatterlist/
DMakefile17 … $(OFILES) scatterlist.c linux/scatterlist.h linux/highmem.h linux/kmemleak.h linux/slab.h asm/io.h
31 @touch linux/slab.h
/Linux-v5.15/drivers/net/ethernet/chelsio/inline_crypto/chtls/
Dchtls_cm.h129 chtls_tcp_ops->slab = tcp_prot->rsk_prot->slab; in chtls_init_rsk_ops()
137 kmem_cache_free(req->rsk_ops->slab, req); in chtls_reqsk_free()
/Linux-v5.15/block/
Dbio.c36 struct kmem_cache *slab; member
73 struct kmem_cache *slab; member
89 bslab->slab = kmem_cache_create(bslab->name, size, in create_bio_slab()
91 if (!bslab->slab) in create_bio_slab()
100 kmem_cache_destroy(bslab->slab); in create_bio_slab()
126 return bslab->slab; in bio_find_or_create_slab()
141 WARN_ON_ONCE(bslab->slab != bs->bio_slab); in bio_put_slab()
150 kmem_cache_destroy(bslab->slab); in bio_put_slab()
164 kmem_cache_free(biovec_slab(nr_vecs)->slab, bv); in bvec_free()
199 bvl = kmem_cache_alloc(bvs->slab, bvec_alloc_gfp(gfp_mask)); in bvec_alloc()
[all …]
/Linux-v5.15/Documentation/core-api/
Dmm-api.rst40 .. kernel-doc:: include/linux/slab.h
43 .. kernel-doc:: mm/slab.c
/Linux-v5.15/net/core/
Dsock.c1829 struct kmem_cache *slab; in sk_prot_alloc() local
1831 slab = prot->slab; in sk_prot_alloc()
1832 if (slab != NULL) { in sk_prot_alloc()
1833 sk = kmem_cache_alloc(slab, priority & ~__GFP_ZERO); in sk_prot_alloc()
1854 if (slab != NULL) in sk_prot_alloc()
1855 kmem_cache_free(slab, sk); in sk_prot_alloc()
1863 struct kmem_cache *slab; in sk_prot_free() local
1867 slab = prot->slab; in sk_prot_free()
1872 if (slab != NULL) in sk_prot_free()
1873 kmem_cache_free(slab, sk); in sk_prot_free()
[all …]
/Linux-v5.15/fs/erofs/
Dzdata.c17 struct kmem_cache *slab; member
34 if (!pcluster_pool[i].slab) in z_erofs_destroy_pcluster_pool()
36 kmem_cache_destroy(pcluster_pool[i].slab); in z_erofs_destroy_pcluster_pool()
37 pcluster_pool[i].slab = NULL; in z_erofs_destroy_pcluster_pool()
52 pcs->slab = kmem_cache_create(pcs->name, size, 0, in z_erofs_create_pcluster_pool()
54 if (pcs->slab) in z_erofs_create_pcluster_pool()
74 pcl = kmem_cache_zalloc(pcs->slab, GFP_NOFS); in z_erofs_alloc_pcluster()
93 kmem_cache_free(pcs->slab, pcl); in z_erofs_free_pcluster()
/Linux-v5.15/Documentation/translations/zh_CN/process/
Dmagic-number.rst90 RED_MAGIC2 0x170fc2a5 (any) ``mm/slab.c``
104 SLAB_C_MAGIC 0x4f17a36d kmem_cache ``mm/slab.c``
111 RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
Dsubmit-checklist.rst85 20) 已通过至少注入slab和page分配失败进行检查。请参阅 ``Documentation/fault-injection/``
/Linux-v5.15/Documentation/translations/zh_TW/process/
Dmagic-number.rst93 RED_MAGIC2 0x170fc2a5 (any) ``mm/slab.c``
107 SLAB_C_MAGIC 0x4f17a36d kmem_cache ``mm/slab.c``
114 RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
Dsubmit-checklist.rst88 20) 已通過至少注入slab和page分配失敗進行檢查。請參閱 ``Documentation/fault-injection/``
/Linux-v5.15/Documentation/process/
Dmagic-number.rst100 RED_MAGIC2 0x170fc2a5 (any) ``mm/slab.c``
114 SLAB_C_MAGIC 0x4f17a36d kmem_cache ``mm/slab.c``
121 RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
/Linux-v5.15/Documentation/translations/it_IT/process/
Dmagic-number.rst106 RED_MAGIC2 0x170fc2a5 (any) ``mm/slab.c``
120 SLAB_C_MAGIC 0x4f17a36d kmem_cache ``mm/slab.c``
127 RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
/Linux-v5.15/Documentation/dev-tools/
Dkasan.rst56 To include alloc and free stack traces of affected slab objects into reports,
66 BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [test_kasan]
122 flags: 0x200000000000100(slab)
138 where the accessed memory was allocated (in case a slab object was accessed),
140 bug report). Next comes a description of the accessed slab object and the
165 Note that KASAN bug titles (like ``slab-out-of-bounds`` or ``use-after-free``)
279 Software tag-based KASAN currently only supports tagging of slab and page_alloc
303 Hardware tag-based KASAN currently only supports tagging of slab and page_alloc
/Linux-v5.15/Documentation/translations/zh_CN/kernel-hacking/
Dhacking.rst259 定义于 ``include/linux/slab.h``
293 在创建自己的常用对象缓存之前，请考虑使用 ``include/linux/slab.h`` 中的slab

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