diff options
Diffstat (limited to 'mm/slob.c')
| -rw-r--r-- | mm/slob.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/slob.c b/mm/slob.c index ec33fcdc852..de5d5563a46 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -360,7 +360,7 @@ static void slob_free(void *block, int size) slobidx_t units; unsigned long flags; - if (ZERO_OR_NULL_PTR(block)) + if (unlikely(ZERO_OR_NULL_PTR(block))) return; BUG_ON(!size); @@ -466,7 +466,7 @@ void kfree(const void *block) { struct slob_page *sp; - if (ZERO_OR_NULL_PTR(block)) + if (unlikely(ZERO_OR_NULL_PTR(block))) return; sp = (struct slob_page *)virt_to_page(block); @@ -484,7 +484,8 @@ size_t ksize(const void *block) { struct slob_page *sp; - if (ZERO_OR_NULL_PTR(block)) + BUG_ON(!block); + if (unlikely(block == ZERO_SIZE_PTR)) return 0; sp = (struct slob_page *)virt_to_page(block); |