* [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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