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| author | David Hildenbrand <david@redhat.com> | 2018-05-25 23:48:08 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-26 03:12:11 +0200 |
| commit | ed1596f9ab958dd156a66c9ff1029d3761c1786a (patch) | |
| tree | cf2dcf5367482452af95df0c924d12583d61fb92 | |
| parent | checkpatch: fix macro argument precedence test (diff) | |
| download | linux-ed1596f9ab958dd156a66c9ff1029d3761c1786a.tar.xz linux-ed1596f9ab958dd156a66c9ff1029d3761c1786a.zip | |
kasan: free allocated shadow memory on MEM_CANCEL_ONLINE
We have to free memory again when we cancel onlining, otherwise a later
onlining attempt will fail.
Link: http://lkml.kernel.org/r/20180522100756.18478-2-david@redhat.com
Fixes: fa69b5989bb0 ("mm/kasan: add support for memory hotplug")
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/kasan/kasan.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 7160028efd12..721e00837f00 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -866,6 +866,7 @@ static int __meminit kasan_mem_notifier(struct notifier_block *nb, kmemleak_ignore(ret); return NOTIFY_OK; } + case MEM_CANCEL_ONLINE: case MEM_OFFLINE: { struct vm_struct *vm; |