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From: Wei Yang <richard.weiyang@gmail.com>
To: akpm@linux-foundation.org, mgorman@techsingularity.net, mhocko@suse.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Wei Yang <richard.weiyang@gmail.com>
Subject: [PATCH] mm/page_alloc: remove redundant init code for ZONE_MOVABLE
Date: Thu,  9 Feb 2017 22:17:31 +0800	[thread overview]
Message-ID: <20170209141731.60208-1-richard.weiyang@gmail.com> (raw)

arch_zone_lowest/highest_possible_pfn[] is set to 0 and [ZONE_MOVABLE] is
skipped in the loop. No need to reset them to 0 again.

This patch just removes the redundant code.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
 mm/page_alloc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 51c60c0eadcb..cc9695d14226 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6279,8 +6279,6 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
 
 		start_pfn = end_pfn;
 	}
-	arch_zone_lowest_possible_pfn[ZONE_MOVABLE] = 0;
-	arch_zone_highest_possible_pfn[ZONE_MOVABLE] = 0;
 
 	/* Find the PFNs that ZONE_MOVABLE begins at in each node */
 	memset(zone_movable_pfn, 0, sizeof(zone_movable_pfn));
-- 
2.11.0

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             reply	other threads:[~2017-02-09 14:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-09 14:17 Wei Yang [this message]
2017-02-09 14:34 ` [PATCH] mm/page_alloc: remove redundant init code for ZONE_MOVABLE Anshuman Khandual

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