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authorDavid Hildenbrand <david@redhat.com>2018-05-25 14:48:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-05-25 18:12:11 -0700
commited1596f9ab958dd156a66c9ff1029d3761c1786a (patch)
treecf2dcf5367482452af95df0c924d12583d61fb92
parentd41362ed12b6402f0bba044037653f916757c3b2 (diff)
downloadlinux-stericsson-ed1596f9ab958dd156a66c9ff1029d3761c1786a.tar.gz
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.c1
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;