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kasan: free allocated shadow memory on MEM_CANCEL_ONLINE

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We have to free memory again when we cancel onlining, otherwise a later
onlining attempt will fail.

Link: http://lkml.kernel.org/r/[email protected]
Fixes: fa69b5989b ("mm/kasan: add support for memory hotplug")
Signed-off-by: David Hildenbrand <[email protected]>
Acked-by: Andrey Ryabinin <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Hildenbrand 2018-05-25 14:48:08 -07:00 • committed by Linus Torvalds
commit ed1596f9ab
1 changed files with 1 additions and 0 deletions
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1
mm/kasan/kasan.c
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@ -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;