The patch titled
Inline counters for single processor configurations (fix)
has been added to the -mm tree. Its filename is
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-speedup-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Inline counters for single processor configurations (fix)
From: Christoph Lameter <clameter@xxxxxxx>
Hmmm.. i386/x86_64 do not convert the adds to incs like ia64. Therefore one
can decrease memory usage even further by using atomic_inc/dec explicitly.
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/linux/vmstat.h | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff -puN include/linux/vmstat.h~zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-speedup-fix include/linux/vmstat.h
--- 25/include/linux/vmstat.h~zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-speedup-fix Tue Jun 27 15:22:40 2006
+++ 25-akpm/include/linux/vmstat.h Tue Jun 27 15:22:40 2006
@@ -239,13 +239,15 @@ static inline void __mod_zone_page_state
static inline void __inc_zone_page_state(struct page *page,
enum zone_stat_item item)
{
- zone_page_state_add(1, page_zone(page), item);
+ atomic_long_inc(&page_zone(page)->vm_stat[item]);
+ atomic_long_inc(&vm_stat[item]);
}
static inline void __dec_zone_page_state(struct page *page,
enum zone_stat_item item)
{
- zone_page_state_add(-1, page_zone(page), item);
+ atomic_long_dec(&page_zone(page)->vm_stat[item]);
+ atomic_long_dec(&vm_stat[item]);
}
/*
_
Patches currently in -mm which might be from clameter@xxxxxxx are
origin.patch
zoned-vm-counters-create-vmstatc-h-from-page_allocc-h.patch
zoned-vm-counters-create-vmstatc-h-from-page_allocc-h-fix-2.patch
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation.patch
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-tidy.patch
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-speedup.patch
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-speedup-fix.patch
zoned-vm-counters-convert-nr_mapped-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_pagecache-to-per-zone-counter.patch
zoned-vm-counters-remove-nr_file_mapped-from-scan-control-structure.patch
zoned-vm-counters-remove-nr_file_mapped-from-scan-control-structure-fix.patch
zoned-vm-counters-split-nr_anon_pages-off-from-nr_file_mapped.patch
zoned-vm-counters-zone_reclaim-remove-proc-sys-vm-zone_reclaim_interval.patch
zoned-vm-counters-conversion-of-nr_slab-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_slab-to-per-zone-counter-fix-2.patch
zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_dirty-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_writeback-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_unstable-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_bounce-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_bounce-to-per-zone-counter-fix-2.patch
zoned-vm-counters-remove-useless-struct-wbs.patch
use-zoned-vm-counters-for-numa-statistics-v3.patch
light-weight-event-counters-v5.patch
-
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