+ kasan-free-allocated-shadow-memory-on-mem_cancel_online.patch added to -mm tree

+ kasan-free-allocated-shadow-memory-on-mem_cancel_online.patch added to -mm tree

[akpm]

The patch titled
     Subject: kasan: free allocated shadow memory on MEM_CANCEL_ONLINE
has been added to the -mm tree.  Its filename is
     kasan-free-allocated-shadow-memory-on-mem_cancel_online.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/kasan-free-allocated-shadow-memory-on-mem_cancel_online.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/kasan-free-allocated-shadow-memory-on-mem_cancel_online.patch

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------------------------------------------------------
From: David Hildenbrand <david@redhat.com>
Subject: 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>
---

 mm/kasan/kasan.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN mm/kasan/kasan.c~kasan-free-allocated-shadow-memory-on-mem_cancel_online mm/kasan/kasan.c
--- a/mm/kasan/kasan.c~kasan-free-allocated-shadow-memory-on-mem_cancel_online
+++ a/mm/kasan/kasan.c
@@ -867,6 +867,7 @@ static int __meminit kasan_mem_notifier(
 		kmemleak_ignore(ret);
 		return NOTIFY_OK;
 	}
+	case MEM_CANCEL_ONLINE:
 	case MEM_OFFLINE: {
 		struct vm_struct *vm;
 
_

Patches currently in -mm which might be from david@redhat.com are

kasan-free-allocated-shadow-memory-on-mem_cancel_online.patch
kasan-fix-memory-hotplug-during-boot.patch