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-rw-r--r--mm/slob.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/mm/slob.c b/mm/slob.c
index 0bfa680a8981..a2d4ab32198d 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -65,6 +65,7 @@
#include <linux/module.h>
#include <linux/rcupdate.h>
#include <linux/list.h>
+#include <trace/kmemtrace.h>
#include <asm/atomic.h>
/*
@@ -474,18 +475,25 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
{
unsigned int *m;
int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
+ void *ret;
+
+ lockdep_trace_alloc(gfp);
if (size < PAGE_SIZE - align) {
if (!size)
return ZERO_SIZE_PTR;
m = slob_alloc(size + align, gfp, align, node);
+
if (!m)
return NULL;
*m = size;
- return (void *)m + align;
+ ret = (void *)m + align;
+
+ trace_kmalloc_node(_RET_IP_, ret,
+ size, size + align, gfp, node);
} else {
- void *ret;
+ unsigned int order = get_order(size);
ret = slob_new_pages(gfp | __GFP_COMP, get_order(size), node);
if (ret) {
@@ -493,8 +501,12 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
page = virt_to_page(ret);
page->private = size;
}
- return ret;
+
+ trace_kmalloc_node(_RET_IP_, ret,
+ size, PAGE_SIZE << order, gfp, node);
}
+
+ return ret;
}
EXPORT_SYMBOL(__kmalloc_node);
@@ -502,6 +514,8 @@ void kfree(const void *block)
{
struct slob_page *sp;
+ trace_kfree(_RET_IP_, block);
+
if (unlikely(ZERO_OR_NULL_PTR(block)))
return;
@@ -581,10 +595,17 @@ void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node)
{
void *b;
- if (c->size < PAGE_SIZE)
+ if (c->size < PAGE_SIZE) {
b = slob_alloc(c->size, flags, c->align, node);
- else
+ trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+ SLOB_UNITS(c->size) * SLOB_UNIT,
+ flags, node);
+ } else {
b = slob_new_pages(flags, get_order(c->size), node);
+ trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+ PAGE_SIZE << get_order(c->size),
+ flags, node);
+ }
if (c->ctor)
c->ctor(b);
@@ -620,6 +641,8 @@ void kmem_cache_free(struct kmem_cache *c, void *b)
} else {
__kmem_cache_free(b, c->size);
}
+
+ trace_kmem_cache_free(_RET_IP_, b);
}
EXPORT_SYMBOL(kmem_cache_free);