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authorIngo Molnar <mingo@elte.hu>2009-03-04 20:49:19 +0300
committerIngo Molnar <mingo@elte.hu>2009-03-04 20:49:19 +0300
commit28b1bd1cbc33cae95a309691d814399a69cf3070 (patch)
tree6474d10332662f5302be0df8527c9e9e31e32a95 /mm
parent2602c3ba4508f528db024c1d209256513ea05de6 (diff)
parent1075414b06109a99b0e87601e84c74a95bd45681 (diff)
downloadlinux-28b1bd1cbc33cae95a309691d814399a69cf3070.tar.xz
Merge branch 'core/locking' into tracing/ftrace
Diffstat (limited to 'mm')
-rw-r--r--mm/page_alloc.c5
-rw-r--r--mm/slab.c4
-rw-r--r--mm/slob.c2
-rw-r--r--mm/slub.c1
-rw-r--r--mm/vmscan.c2
5 files changed, 14 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5c44ed49ca93..a3803ea8c27d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1479,6 +1479,8 @@ __alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
unsigned long did_some_progress;
unsigned long pages_reclaimed = 0;
+ lockdep_trace_alloc(gfp_mask);
+
might_sleep_if(wait);
if (should_fail_alloc_page(gfp_mask, order))
@@ -1578,12 +1580,15 @@ nofail_alloc:
*/
cpuset_update_task_memory_state();
p->flags |= PF_MEMALLOC;
+
+ lockdep_set_current_reclaim_state(gfp_mask);
reclaim_state.reclaimed_slab = 0;
p->reclaim_state = &reclaim_state;
did_some_progress = try_to_free_pages(zonelist, order, gfp_mask);
p->reclaim_state = NULL;
+ lockdep_clear_current_reclaim_state();
p->flags &= ~PF_MEMALLOC;
cond_resched();
diff --git a/mm/slab.c b/mm/slab.c
index aeeb4ecb9428..9ec66c3e6ee0 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3327,6 +3327,8 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
unsigned long save_flags;
void *ptr;
+ lockdep_trace_alloc(flags);
+
if (slab_should_failslab(cachep, flags))
return NULL;
@@ -3403,6 +3405,8 @@ __cache_alloc(struct kmem_cache *cachep, gfp_t flags, void *caller)
unsigned long save_flags;
void *objp;
+ lockdep_trace_alloc(flags);
+
if (slab_should_failslab(cachep, flags))
return NULL;
diff --git a/mm/slob.c b/mm/slob.c
index f9cc24688232..596152926a8d 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -466,6 +466,8 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
void *ret;
+ lockdep_trace_alloc(flags);
+
if (size < PAGE_SIZE - align) {
if (!size)
return ZERO_SIZE_PTR;
diff --git a/mm/slub.c b/mm/slub.c
index 6de5e07c8850..816734ed8aa3 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1597,6 +1597,7 @@ static __always_inline void *slab_alloc(struct kmem_cache *s,
unsigned long flags;
unsigned int objsize;
+ lockdep_trace_alloc(gfpflags);
might_sleep_if(gfpflags & __GFP_WAIT);
if (should_failslab(s->objsize, gfpflags))
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 6177e3bcd66b..ae6f4c174a12 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1965,6 +1965,8 @@ static int kswapd(void *p)
};
node_to_cpumask_ptr(cpumask, pgdat->node_id);
+ lockdep_set_current_reclaim_state(GFP_KERNEL);
+
if (!cpumask_empty(cpumask))
set_cpus_allowed_ptr(tsk, cpumask);
current->reclaim_state = &reclaim_state;