diff options
Diffstat (limited to 'mm/slob.c')
-rw-r--r-- | mm/slob.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/mm/slob.c b/mm/slob.c index 0bfa680a898..a2d4ab32198 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); |