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Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux

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* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  tools, slub: Fix off-by-one buffer corruption after readlink() call
  slub: Discard slab page when node partial > minimum partial number
  slub: correct comments error for per cpu partial
  mm: restrict access to slab files under procfs and sysfs
  slub: Code optimization in get_partial_node()
  slub: doc: update the slabinfo.c file path
  slub: explicitly document position of inserting slab to partial list
  slub: update slabinfo tools to report per cpu partial list statistics
  slub: per cpu cache for partial pages
  slub: return object pointer from get_partial() / new_slab().
  slub: pass kmem_cache_cpu pointer to get_partial()
  slub: Prepare inuse field in new_slab()
  slub: Remove useless statements in __slab_alloc
  slub: free slabs without holding locks
  slub: use print_hex_dump
  slab: use print_hex_dump
This commit is contained in:
Linus Torvalds
2011-10-26 21:46:18 +02:00
parent 3b3dd79d6a e182a345d4
commit 138c4ae9cf
6 changed files with 425 additions and 182 deletions
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10
tools/slub/slabinfo.c
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@@ -42,6 +42,7 @@ struct slabinfo {
unsigned long deactivate_remote_frees, order_fallback;
unsigned long cmpxchg_double_cpu_fail, cmpxchg_double_fail;
unsigned long alloc_node_mismatch, deactivate_bypass;
unsigned long cpu_partial_alloc, cpu_partial_free;
int numa[MAX_NODES];
int numa_partial[MAX_NODES];
} slabinfo[MAX_SLABS];
@@ -455,6 +456,11 @@ static void slab_stats(struct slabinfo *s)
s->alloc_from_partial * 100 / total_alloc,
s->free_remove_partial * 100 / total_free);
printf("Cpu partial list %8lu %8lu %3lu %3lu\n",
s->cpu_partial_alloc, s->cpu_partial_free,
s->cpu_partial_alloc * 100 / total_alloc,
s->cpu_partial_free * 100 / total_free);
printf("RemoteObj/SlabFrozen %8lu %8lu %3lu %3lu\n",
s->deactivate_remote_frees, s->free_frozen,
s->deactivate_remote_frees * 100 / total_alloc,
@@ -1145,7 +1151,7 @@ static void read_slab_dir(void)
switch (de->d_type) {
case DT_LNK:
alias->name = strdup(de->d_name);
count = readlink(de->d_name, buffer, sizeof(buffer));
count = readlink(de->d_name, buffer, sizeof(buffer)-1);
if (count < 0)
fatal("Cannot read symlink %s\n", de->d_name);
@@ -1209,6 +1215,8 @@ static void read_slab_dir(void)
slab->order_fallback = get_obj("order_fallback");
slab->cmpxchg_double_cpu_fail = get_obj("cmpxchg_double_cpu_fail");
slab->cmpxchg_double_fail = get_obj("cmpxchg_double_fail");
slab->cpu_partial_alloc = get_obj("cpu_partial_alloc");
slab->cpu_partial_free = get_obj("cpu_partial_free");
slab->alloc_node_mismatch = get_obj("alloc_node_mismatch");
slab->deactivate_bypass = get_obj("deactivate_bypass");
chdir("..");