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| author | Andrey Ryabinin <aryabinin@virtuozzo.com> | 2018-10-27 00:07:03 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-27 01:26:33 +0200 |
| commit | 3ca4ea3a7a78a243ee9edf71a2736bc8fb26d70f (patch) | |
| tree | 0858aeda4f7b13f5d097de0d523c04867b8bca14 /mm/vmalloc.c | |
| parent | kvfree(): fix misleading comment (diff) | |
| download | linux-3ca4ea3a7a78a243ee9edf71a2736bc8fb26d70f.tar.xz linux-3ca4ea3a7a78a243ee9edf71a2736bc8fb26d70f.zip | |
mm/vmalloc.c: improve vfree() kerneldoc
vfree() might sleep if called not in interrupt context. Explain that in
the comment.
Link: http://lkml.kernel.org/r/20180914130512.10394-2-aryabinin@virtuozzo.com
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a728fc492557..d00d42d6bf79 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1577,6 +1577,8 @@ void vfree_atomic(const void *addr) * have CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG, but making the calling * conventions for vfree() arch-depenedent would be a really bad idea) * + * May sleep if called *not* from interrupt context. + * * NOTE: assumes that the object at @addr has a size >= sizeof(llist_node) */ void vfree(const void *addr) |