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vmscan: change type of vm_total_pages to unsigned long

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This variable is calculated from nr_free_pagecache_pages so
change its type to unsigned long.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Zhang Yanfei 2013-02-22 16:35:48 -08:00 • committed by Linus Torvalds
parent 697ce9be7d
commit b21e0b90cc
2 changed files with 2 additions and 2 deletions
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2
include/linux/swap.h
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@ -275,7 +275,7 @@ extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
extern unsigned long shrink_all_memory(unsigned long nr_pages); extern unsigned long shrink_all_memory(unsigned long nr_pages);
extern int vm_swappiness; extern int vm_swappiness;
extern int remove_mapping(struct address_space *mapping, struct page *page); extern int remove_mapping(struct address_space *mapping, struct page *page);
extern long vm_total_pages; extern unsigned long vm_total_pages;
#ifdef CONFIG_NUMA #ifdef CONFIG_NUMA
extern int zone_reclaim_mode; extern int zone_reclaim_mode;

2
mm/vmscan.c
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@ -128,7 +128,7 @@ struct scan_control {
* From 0 .. 100. Higher means more swappy. * From 0 .. 100. Higher means more swappy.
*/ */
int vm_swappiness = 60; int vm_swappiness = 60;
long vm_total_pages; /* The total number of pages which the VM controls */ unsigned long vm_total_pages; /* The total number of pages which the VM controls */
static LIST_HEAD(shrinker_list); static LIST_HEAD(shrinker_list);
static DECLARE_RWSEM(shrinker_rwsem); static DECLARE_RWSEM(shrinker_rwsem);