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Groups > linux.kernel > #1422674

[PATCH] mm/compaction: remove unnecessary order check in try_to_compact_pages()

From Ganesh Mahendran <opensource.ganesh@gmail.com>
Newsgroups linux.kernel
Subject [PATCH] mm/compaction: remove unnecessary order check in try_to_compact_pages()
Date 2016-06-15 09:00 +0200
Message-ID <rKcXT-7xD-7@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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The caller __alloc_pages_direct_compact() already check (order == 0).
So no need to check again.

Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com>
---
 mm/compaction.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index fbb7b38..500acda 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1687,7 +1687,7 @@ enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order,
 	*contended = COMPACT_CONTENDED_NONE;
 
 	/* Check if the GFP flags allow compaction */
-	if (!order || !may_enter_fs || !may_perform_io)
+	if (!may_enter_fs || !may_perform_io)
 		return COMPACT_SKIPPED;
 
 	trace_mm_compaction_try_to_compact_pages(order, gfp_mask, mode);
-- 
1.9.1

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[PATCH] mm/compaction: remove unnecessary order check in try_to_compact_pages() Ganesh Mahendran <opensource.ganesh@gmail.com> - 2016-06-15 09:00 +0200
  Re: [PATCH] mm/compaction: remove unnecessary order check in try_to_compact_pages() Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-06-15 10:50 +0200

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