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* [patch 073/158] mm/memory-failure.c: use page_shift() in add_to_kill()
@ 2019-12-01  1:53 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2019-12-01  1:53 UTC (permalink / raw)
  To: akpm, david, linux-mm, mm-commits, n-horiguchi, torvalds, yeyunfeng

From: Yunfeng Ye <yeyunfeng@huawei.com>
Subject: mm/memory-failure.c: use page_shift() in add_to_kill()

page_shift() is supported after the commit 94ad9338109f ("mm: introduce
page_shift()").

So replace with page_shift() in add_to_kill() for readability.

Link: http://lkml.kernel.org/r/543d8bc9-f2e7-3023-7c35-2e7ed67c0e82@huawei.com
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory-failure.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/memory-failure.c~mm-memory-failurec-replace-with-page_shift-in-add_to_kill
+++ a/mm/memory-failure.c
@@ -320,7 +320,7 @@ static void add_to_kill(struct task_stru
 	if (is_zone_device_page(p))
 		tk->size_shift = dev_pagemap_mapping_shift(p, vma);
 	else
-		tk->size_shift = compound_order(compound_head(p)) + PAGE_SHIFT;
+		tk->size_shift = page_shift(compound_head(p));
 
 	/*
 	 * Send SIGKILL if "tk->addr == -EFAULT". Also, as
_


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2019-12-01  1:53 [patch 073/158] mm/memory-failure.c: use page_shift() in add_to_kill() akpm

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