linux-kernel - [PATCH 05/10] mm: make page_alloc.c explicitly non-modular

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Date:	Mon, 24 Aug 2015 18:14:37 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Mel Gorman <mgorman@...e.de>, Vlastimil Babka <vbabka@...e.cz>,
	David Rientjes <rientjes@...gle.com>,
	Michal Hocko <mhocko@...e.cz>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Johannes Weiner <hannes@...xchg.org>,
	Sasha Levin <sasha.levin@...cle.com>
Subject: [PATCH 05/10] mm: make page_alloc.c explicitly non-modular

The Makefile currently controlling compilation of this code is obj-y
meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modularity so that when reading the
driver there is no doubt it is builtin-only.  We have to leave the
module.h include though, as the file uses print_modules().

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.  However
one could argue that subsys_initcall() would make more sense.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Vlastimil Babka <vbabka@...e.cz>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Michal Hocko <mhocko@...e.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@....com>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: Sasha Levin <sasha.levin@...cle.com>
Cc: linux-mm@...ck.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c1024db4ac5f..b02c511320fa 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6327,7 +6327,7 @@ int __meminit init_per_zone_wmark_min(void)
 	setup_per_zone_inactive_ratio();
 	return 0;
 }
-module_init(init_per_zone_wmark_min)
+device_initcall(init_per_zone_wmark_min)
 
 /*
  * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so
-- 
2.5.0

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