Commit b680dae9 authored by Miaohe Lin's avatar Miaohe Lin Committed by Andrew Morton
Browse files

mm, hwpoison: check PageTable() explicitly in hwpoison_user_mappings() 

PageTable can't be handled by memory_failure(). Filter it out explicitly in
hwpoison_user_mappings(). This will also make code more consistent with the
relevant check in unpoison_memory().

Link: https://lkml.kernel.org/r/20220830123604.25763-6-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Acked-by: default avatarNaoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 36537a67

mm/memory-failure.c

+1 −1
Original line number Diff line number Diff line
@@ -1409,7 +1409,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn, 
	 * Here we are interested only in user-mapped pages, so skip any

	 * other types of pages.

	 */

	if (PageReserved(p) || PageSlab(p))

	if (PageReserved(p) || PageSlab(p) || PageTable(p))

		return true;

	if (!(PageLRU(hpage) || PageHuge(p)))

		return true;