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Merge commit 'linus/master' into HEAD

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Conflicts:
	MAINTAINERS

Signed-off-by: Vegard Nossum <[email protected]>
This commit is contained in:
Vegard Nossum 2009-06-15 15:50:49 +02:00
commit 722f2a6c87
2130 changed files with 173083 additions and 37553 deletions
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41
mm/slab.c
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@ -304,6 +304,12 @@ struct kmem_list3 {
int free_touched; /* updated without locking */
};
/*
* The slab allocator is initialized with interrupts disabled. Therefore, make
* sure early boot allocations don't accidentally enable interrupts.
*/
static gfp_t slab_gfp_mask __read_mostly = SLAB_GFP_BOOT_MASK;
/*
* Need this for bootstrapping a per node allocator.
*/
@ -673,6 +679,7 @@ static enum {
NONE,
PARTIAL_AC,
PARTIAL_L3,
EARLY,
FULL
} g_cpucache_up;
@ -681,7 +688,7 @@ static enum {
*/
int slab_is_available(void)
{
return g_cpucache_up == FULL;
return g_cpucache_up >= EARLY;
}
static DEFINE_PER_CPU(struct delayed_work, reap_work);
@ -1545,19 +1552,27 @@ void __init kmem_cache_init(void)
}
}
/* 6) resize the head arrays to their final sizes */
{
struct kmem_cache *cachep;
mutex_lock(&cache_chain_mutex);
list_for_each_entry(cachep, &cache_chain, next)
if (enable_cpucache(cachep, GFP_NOWAIT))
BUG();
mutex_unlock(&cache_chain_mutex);
}
g_cpucache_up = EARLY;
/* Annotate slab for lockdep -- annotate the malloc caches */
init_lock_keys();
}
void __init kmem_cache_init_late(void)
{
struct kmem_cache *cachep;
/*
* Interrupts are enabled now so all GFP allocations are safe.
*/
slab_gfp_mask = __GFP_BITS_MASK;
/* 6) resize the head arrays to their final sizes */
mutex_lock(&cache_chain_mutex);
list_for_each_entry(cachep, &cache_chain, next)
if (enable_cpucache(cachep, GFP_NOWAIT))
BUG();
mutex_unlock(&cache_chain_mutex);
/* Done! */
g_cpucache_up = FULL;
@ -2034,7 +2049,7 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp)
for_each_online_node(node) {
cachep->nodelists[node] =
kmalloc_node(sizeof(struct kmem_list3),
GFP_KERNEL, node);
gfp, node);
BUG_ON(!cachep->nodelists[node]);
kmem_list3_init(cachep->nodelists[node]);
}
@ -3286,6 +3301,8 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
unsigned long save_flags;
void *ptr;
flags &= slab_gfp_mask;
lockdep_trace_alloc(flags);
if (slab_should_failslab(cachep, flags))
@ -3369,6 +3386,8 @@ __cache_alloc(struct kmem_cache *cachep, gfp_t flags, void *caller)
unsigned long save_flags;
void *objp;
flags &= slab_gfp_mask;
lockdep_trace_alloc(flags);
if (slab_should_failslab(cachep, flags))