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authorAlexander Graf <agraf@suse.de>2012-10-31 13:36:18 +0100
committerAlexander Graf <agraf@suse.de>2012-10-31 13:36:18 +0100
commit0588000eac9ba4178cebade437da3b28e8fad48f (patch)
tree697e514a0a0193f17a54f372dd18c5cd3927e154 /mm/util.c
parent8b5869ad85f703ffeb25e656eab826f6b85b984c (diff)
parent81c52c56e2b43589091ee29038bcf793d3f184ab (diff)
Merge commit 'origin/queue' into for-queue
Conflicts: arch/powerpc/include/asm/Kbuild arch/powerpc/include/uapi/asm/Kbuild
Diffstat (limited to 'mm/util.c')
-rw-r--r--mm/util.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/mm/util.c b/mm/util.c
index 8c7265afa29..dc3036cdcc6 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -105,6 +105,25 @@ void *memdup_user(const void __user *src, size_t len)
}
EXPORT_SYMBOL(memdup_user);
+static __always_inline void *__do_krealloc(const void *p, size_t new_size,
+ gfp_t flags)
+{
+ void *ret;
+ size_t ks = 0;
+
+ if (p)
+ ks = ksize(p);
+
+ if (ks >= new_size)
+ return (void *)p;
+
+ ret = kmalloc_track_caller(new_size, flags);
+ if (ret && p)
+ memcpy(ret, p, ks);
+
+ return ret;
+}
+
/**
* __krealloc - like krealloc() but don't free @p.
* @p: object to reallocate memory for.
@@ -117,23 +136,11 @@ EXPORT_SYMBOL(memdup_user);
*/
void *__krealloc(const void *p, size_t new_size, gfp_t flags)
{
- void *ret;
- size_t ks = 0;
-
if (unlikely(!new_size))
return ZERO_SIZE_PTR;
- if (p)
- ks = ksize(p);
+ return __do_krealloc(p, new_size, flags);
- if (ks >= new_size)
- return (void *)p;
-
- ret = kmalloc_track_caller(new_size, flags);
- if (ret && p)
- memcpy(ret, p, ks);
-
- return ret;
}
EXPORT_SYMBOL(__krealloc);
@@ -157,7 +164,7 @@ void *krealloc(const void *p, size_t new_size, gfp_t flags)
return ZERO_SIZE_PTR;
}
- ret = __krealloc(p, new_size, flags);
+ ret = __do_krealloc(p, new_size, flags);
if (ret && p != ret)
kfree(p);