aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorAndrew Morton <akpm@osdl.org>2006-03-22 00:08:19 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-22 07:54:00 -0800
commit69e05944af39fc6c97b09380c8721e38433bd828 (patch)
tree165e594ed5cd34c3a2b2ec236f75ac5b192ade7a /include
parent179e96395b1f01e95ebe1ff5ef306b810dbbd147 (diff)
[PATCH] vmscan: use unsigned longs
Turn basically everything in vmscan.c into `unsigned long'. This is to avoid the possibility that some piece of code in there might decide to operate upon more than 4G (or even 2G) of pages in one hit. This might be silly, but we'll need it one day. Cc: Christoph Lameter <clameter@sgi.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mm.h2
-rw-r--r--include/linux/swap.h8
2 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e67980654c4..1850cf8bad6 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1046,7 +1046,7 @@ int in_gate_area_no_task(unsigned long addr);
int drop_caches_sysctl_handler(struct ctl_table *, int, struct file *,
void __user *, size_t *, loff_t *);
-int shrink_slab(unsigned long scanned, gfp_t gfp_mask,
+unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
unsigned long lru_pages);
void drop_pagecache(void);
void drop_slab(void);
diff --git a/include/linux/swap.h b/include/linux/swap.h
index d572b19afb7..3dc6c89c49b 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -172,8 +172,8 @@ extern int rotate_reclaimable_page(struct page *page);
extern void swap_setup(void);
/* linux/mm/vmscan.c */
-extern int try_to_free_pages(struct zone **, gfp_t);
-extern int shrink_all_memory(int);
+extern unsigned long try_to_free_pages(struct zone **, gfp_t);
+extern unsigned long shrink_all_memory(unsigned long nr_pages);
extern int vm_swappiness;
#ifdef CONFIG_NUMA
@@ -190,11 +190,11 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
#ifdef CONFIG_MIGRATION
extern int isolate_lru_page(struct page *p);
-extern int putback_lru_pages(struct list_head *l);
+extern unsigned long putback_lru_pages(struct list_head *l);
extern int migrate_page(struct page *, struct page *);
extern void migrate_page_copy(struct page *, struct page *);
extern int migrate_page_remove_references(struct page *, struct page *, int);
-extern int migrate_pages(struct list_head *l, struct list_head *t,
+extern unsigned long migrate_pages(struct list_head *l, struct list_head *t,
struct list_head *moved, struct list_head *failed);
extern int fail_migrate_page(struct page *, struct page *);
#else