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From:   Oscar Salvador <osalvador@suse.de>
To:     akpm@linux-foundation.org
Cc:     mhocko@suse.com, linux-mm@kvack.org, mike.kravetz@oracle.com,
        david@redhat.com, aneesh.kumar@linux.vnet.ibm.com,
        naoya.horiguchi@nec.com, linux-kernel@vger.kernel.org,
        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Oscar Salvador <osalvador@suse.com>
Subject: [PATCH v4 01/15] mm,hwpoison: cleanup unused PageHuge() check
Date:   Thu, 16 Jul 2020 14:37:55 +0200
Message-Id: <20200716123810.25292-2-osalvador@suse.de>
In-Reply-To: <20200716123810.25292-1-osalvador@suse.de>
References: <20200716123810.25292-1-osalvador@suse.de>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

Drop the PageHuge check since memory_failure forks into memory_failure_hugetlb()
for hugetlb pages.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Oscar Salvador <osalvador@suse.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
---
 mm/memory-failure.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 47b8ccb1fb9b..e5d0c14c2332 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1382,10 +1382,7 @@ int memory_failure(unsigned long pfn, int flags)
 	 * page_remove_rmap() in try_to_unmap_one(). So to determine page status
 	 * correctly, we save a copy of the page flags at this time.
 	 */
-	if (PageHuge(p))
-		page_flags = hpage->flags;
-	else
-		page_flags = p->flags;
+	page_flags = p->flags;
 
 	/*
 	 * unpoison always clear PG_hwpoison inside page lock
-- 
2.26.2