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[PATCH] zoned vm counters: conversion of nr_bounce to per zone counter

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Conversion of nr_bounce to a per zone counter

nr_bounce is only used for proc output.  So it could be left as an event
counter.  However, the event counters may not be accurate and nr_bounce is
categorizing types of pages in a zone.  So we really need this to also be a
per zone counter.

[akpm@osdl.org: bugfix]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter 2006-06-30 01:55:41 -07:00 • committed by Linus Torvalds
commit d2c5e30c9a
6 changed files with 9 additions and 5 deletions
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1
include/linux/mmzone.h
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@ -56,6 +56,7 @@ enum zone_stat_item {
NR_FILE_DIRTY,
NR_WRITEBACK,
NR_UNSTABLE_NFS, /* NFS unstable pages */
NR_BOUNCE,
NR_VM_ZONE_STAT_ITEMS };
struct per_cpu_pages {

1
include/linux/vmstat.h
View file

@ -67,7 +67,6 @@ struct page_state {
unsigned long allocstall; /* direct reclaim calls */
unsigned long pgrotated; /* pages rotated to tail of the LRU */
unsigned long nr_bounce; /* pages for bounce buffers */
};
extern void get_full_page_state(struct page_state *ret);