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mm: compaction: use helper compound_nr in isolate_migratepages_block 

Use helper compound_nr to make use of compound_nr when CONFIG_64BIT and
simplify the code a bit.

Link: https://lkml.kernel.org/r/20220418141253.24298-8-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Charan Teja Kalla <charante@codeaurora.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Pintu Kumar <pintu@codeaurora.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-04-28 23:16:18 -07:00 committed by akpm
parent c036ddffe4
commit 66fe1cf7f5
1 changed files with 1 additions and 1 deletions
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2
mm/compaction.c
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@ -908,7 +908,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
/* Do not report -EBUSY down the chain */
if (ret == -EBUSY)
ret = 0;
low_pfn += (1UL << compound_order(page)) - 1;
low_pfn += compound_nr(page) - 1;
goto isolate_fail;
}