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mm/hwpoison: add in-use hugepage hwpoison filter judgement
authorluofei <luofei@unicloud.com>
Tue, 22 Mar 2022 21:44:41 +0000 (14:44 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 22 Mar 2022 22:57:07 +0000 (15:57 -0700)
commita06ad3c0c75297f0b0999b1a981e50224e690ee9
tree90dd550ee87f3218e1383702399644ecaad5a9aa
parentd1fe111fb62a1cf0446a2919f5effbb33ad0702c
mm/hwpoison: add in-use hugepage hwpoison filter judgement

After successfully obtaining the reference count of the huge page, it is
still necessary to call hwpoison_filter() to make a filter judgement,
otherwise the filter hugepage will be unmaped and the related process
may be killed.

Link: https://lkml.kernel.org/r/20220223082254.2769757-1-luofei@unicloud.com
Signed-off-by: luofei <luofei@unicloud.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memory-failure.c