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page-allocator: add inactive ratio calculation function of each zone

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Factor the per-zone arithemetic inside setup_per_zone_inactive_ratio()'s
loop into a a separate function, calculate_zone_inactive_ratio().  This
function will be used in a later patch

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Minchan Kim
2009-06-16 15:32:49 -07:00
committed by Linus Torvalds
parent bc75d33f0f
commit 96cb4df5dd
2 changed files with 17 additions and 12 deletions
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include/linux/mm.h
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@@ -1053,6 +1053,7 @@ extern void set_dma_reserve(unsigned long new_dma_reserve);
extern void memmap_init_zone(unsigned long, int, unsigned long,
unsigned long, enum memmap_context);
extern void setup_per_zone_wmarks(void);
extern void calculate_zone_inactive_ratio(struct zone *zone);
extern void mem_init(void);
extern void __init mmap_init(void);
extern void show_mem(void);