xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'slab/next' into slab/for-linus

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Este commit está contenido en:
Pekka Enberg
2012-10-03 09:56:12 +03:00
padre a0d271cbfe 608da7e3fc
commit 023dc70470
Se han modificado 8 ficheros con 187 adiciones y 163 borrados
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63
mm/slub.c
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@@ -568,6 +568,8 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...)
printk(KERN_ERR "BUG %s (%s): %s\n", s->name, print_tainted(), buf);
printk(KERN_ERR "----------------------------------------"
"-------------------------------------\n\n");
add_taint(TAINT_BAD_PAGE);
}
static void slab_fix(struct kmem_cache *s, char *fmt, ...)
@@ -1069,13 +1071,13 @@ bad:
return 0;
}
static noinline int free_debug_processing(struct kmem_cache *s,
struct page *page, void *object, unsigned long addr)
static noinline struct kmem_cache_node *free_debug_processing(
struct kmem_cache *s, struct page *page, void *object,
unsigned long addr, unsigned long *flags)
{
unsigned long flags;
int rc = 0;
struct kmem_cache_node *n = get_node(s, page_to_nid(page));
local_irq_save(flags);
spin_lock_irqsave(&n->list_lock, *flags);
slab_lock(page);
if (!check_slab(s, page))
@@ -1113,15 +1115,19 @@ static noinline int free_debug_processing(struct kmem_cache *s,
set_track(s, object, TRACK_FREE, addr);
trace(s, page, object, 0);
init_object(s, object, SLUB_RED_INACTIVE);
rc = 1;
out:
slab_unlock(page);
local_irq_restore(flags);
return rc;
/*
* Keep node_lock to preserve integrity
* until the object is actually freed
*/
return n;
fail:
slab_unlock(page);
spin_unlock_irqrestore(&n->list_lock, *flags);
slab_fix(s, "Object at 0x%p not freed", object);
goto out;
return NULL;
}
static int __init setup_slub_debug(char *str)
@@ -1214,8 +1220,9 @@ static inline void setup_object_debug(struct kmem_cache *s,
static inline int alloc_debug_processing(struct kmem_cache *s,
struct page *page, void *object, unsigned long addr) { return 0; }
static inline int free_debug_processing(struct kmem_cache *s,
struct page *page, void *object, unsigned long addr) { return 0; }
static inline struct kmem_cache_node *free_debug_processing(
struct kmem_cache *s, struct page *page, void *object,
unsigned long addr, unsigned long *flags) { return NULL; }
static inline int slab_pad_check(struct kmem_cache *s, struct page *page)
{ return 1; }
@@ -1714,7 +1721,7 @@ static inline void note_cmpxchg_failure(const char *n,
stat(s, CMPXCHG_DOUBLE_CPU_FAIL);
}
void init_kmem_cache_cpus(struct kmem_cache *s)
static void init_kmem_cache_cpus(struct kmem_cache *s)
{
int cpu;
@@ -1939,7 +1946,7 @@ static void unfreeze_partials(struct kmem_cache *s)
* If we did not find a slot then simply move all the partials to the
* per node partial list.
*/
int put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
static int put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
{
struct page *oldpage;
int pages;
@@ -1962,6 +1969,7 @@ int put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
local_irq_save(flags);
unfreeze_partials(s);
local_irq_restore(flags);
oldpage = NULL;
pobjects = 0;
pages = 0;
stat(s, CPU_PARTIAL_DRAIN);
@@ -2310,7 +2318,7 @@ new_slab:
*
* Otherwise we can simply pick the next object from the lockless free list.
*/
static __always_inline void *slab_alloc(struct kmem_cache *s,
static __always_inline void *slab_alloc_node(struct kmem_cache *s,
gfp_t gfpflags, int node, unsigned long addr)
{
void **object;
@@ -2380,9 +2388,15 @@ redo:
return object;
}
static __always_inline void *slab_alloc(struct kmem_cache *s,
gfp_t gfpflags, unsigned long addr)
{
return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr);
}
void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
{
void *ret = slab_alloc(s, gfpflags, NUMA_NO_NODE, _RET_IP_);
void *ret = slab_alloc(s, gfpflags, _RET_IP_);
trace_kmem_cache_alloc(_RET_IP_, ret, s->object_size, s->size, gfpflags);
@@ -2393,7 +2407,7 @@ EXPORT_SYMBOL(kmem_cache_alloc);
#ifdef CONFIG_TRACING
void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
{
void *ret = slab_alloc(s, gfpflags, NUMA_NO_NODE, _RET_IP_);
void *ret = slab_alloc(s, gfpflags, _RET_IP_);
trace_kmalloc(_RET_IP_, ret, size, s->size, gfpflags);
return ret;
}
@@ -2411,7 +2425,7 @@ EXPORT_SYMBOL(kmalloc_order_trace);
#ifdef CONFIG_NUMA
void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
{
void *ret = slab_alloc(s, gfpflags, node, _RET_IP_);
void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
trace_kmem_cache_alloc_node(_RET_IP_, ret,
s->object_size, s->size, gfpflags, node);
@@ -2425,7 +2439,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
gfp_t gfpflags,
int node, size_t size)
{
void *ret = slab_alloc(s, gfpflags, node, _RET_IP_);
void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
trace_kmalloc_node(_RET_IP_, ret,
size, s->size, gfpflags, node);
@@ -2457,7 +2471,8 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
stat(s, FREE_SLOWPATH);
if (kmem_cache_debug(s) && !free_debug_processing(s, page, x, addr))
if (kmem_cache_debug(s) &&
!(n = free_debug_processing(s, page, x, addr, &flags)))
return;
do {
@@ -3362,7 +3377,7 @@ void *__kmalloc(size_t size, gfp_t flags)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
ret = slab_alloc(s, flags, NUMA_NO_NODE, _RET_IP_);
ret = slab_alloc(s, flags, _RET_IP_);
trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
@@ -3405,7 +3420,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
ret = slab_alloc(s, flags, node, _RET_IP_);
ret = slab_alloc_node(s, flags, node, _RET_IP_);
trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
@@ -3482,7 +3497,7 @@ void kfree(const void *x)
if (unlikely(!PageSlab(page))) {
BUG_ON(!PageCompound(page));
kmemleak_free(x);
put_page(page);
__free_pages(page, compound_order(page));
return;
}
slab_free(page->slab, page, object, _RET_IP_);
@@ -4033,7 +4048,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
ret = slab_alloc(s, gfpflags, NUMA_NO_NODE, caller);
ret = slab_alloc(s, gfpflags, caller);
/* Honor the call site pointer we received. */
trace_kmalloc(caller, ret, size, s->size, gfpflags);
@@ -4063,7 +4078,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
ret = slab_alloc(s, gfpflags, node, caller);
ret = slab_alloc_node(s, gfpflags, node, caller);
/* Honor the call site pointer we received. */
trace_kmalloc_node(caller, ret, size, s->size, gfpflags, node);