aboutsummaryrefslogtreecommitdiff
path: root/mm/util.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2012-10-28 19:28:52 +0100
committerJiri Kosina <jkosina@suse.cz>2012-10-28 19:29:19 +0100
commit3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch)
tree0058693cc9e70b7461dae551f8a19aff2efd13ca /mm/util.c
parentf16f84937d769c893492160b1a8c3672e3992beb (diff)
parente657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff)
downloadlinux-3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a.tar.gz
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch against newer version of the code. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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 3a5278c08d7..c55e26b17d9 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);