diff options
| author | David Hildenbrand <david@redhat.com> | 2018-05-26 00:48:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-30 08:51:49 +0300 |
| commit | b052960484fd40d6144a78773313c17154443177 (patch) | |
| tree | 59bb236ad114f4eda75d1cd37377308ac05435e4 /mm/kasan | |
| parent | 9c7821c67a71884d338639ec00dc8f8519705214 (diff) | |
| download | linux-b052960484fd40d6144a78773313c17154443177.tar.xz | |
kasan: free allocated shadow memory on MEM_CANCEL_ONLINE
commit ed1596f9ab958dd156a66c9ff1029d3761c1786a upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/kasan')
| -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 858b96057e04..bb44af48587f 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -811,6 +811,7 @@ 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; |