linux-kernel - [PATCH 04/10] mm/page_alloc: remove never used "order" in alloc_contig

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Date:   Fri, 26 Jul 2019 02:42:47 +0800
From:   Pengfei Li <lpf.vector@...il.com>
To:     akpm@...ux-foundation.org
Cc:     mgorman@...hsingularity.net, mhocko@...e.com, vbabka@...e.cz,
        cai@....pw, aryabinin@...tuozzo.com, osalvador@...e.de,
        rostedt@...dmis.org, mingo@...hat.com,
        pavel.tatashin@...rosoft.com, rppt@...ux.ibm.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Pengfei Li <lpf.vector@...il.com>
Subject: [PATCH 04/10] mm/page_alloc: remove never used "order" in alloc_contig_range()

The "order" will never be used in alloc_contig_range(), and "order"
is a negative number is very strange. So just remove it.

Signed-off-by: Pengfei Li <lpf.vector@...il.com>
---
 mm/page_alloc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7d47af09461f..6208ebfac980 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -8347,7 +8347,6 @@ int alloc_contig_range(unsigned long start, unsigned long end,
 
 	struct compact_control cc = {
 		.nr_migratepages = 0,
-		.order = -1,
 		.zone = page_zone(pfn_to_page(start)),
 		.mode = MIGRATE_SYNC,
 		.ignore_skip_hint = true,
-- 
2.21.0