The patch titled
page allocator: update NR_FREE_PAGES only when necessary
has been removed from the -mm tree. Its filename was
page-allocator-fix-update-nr_free_pages-only-as-necessary.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: page allocator: update NR_FREE_PAGES only when necessary
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
commit f2260e6b (page allocator: update NR_FREE_PAGES only as necessary)
made one minor regression. if __rmqueue() was failed, NR_FREE_PAGES stat
go wrong. this patch fixes it.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Reported-by: Huang Shijie <shijie8@xxxxxxxxx>
Reviewed-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/page_alloc.c~page-allocator-fix-update-nr_free_pages-only-as-necessary mm/page_alloc.c
--- a/mm/page_alloc.c~page-allocator-fix-update-nr_free_pages-only-as-necessary
+++ a/mm/page_alloc.c
@@ -1222,10 +1222,10 @@ again:
}
spin_lock_irqsave(&zone->lock, flags);
page = __rmqueue(zone, order, migratetype);
- __mod_zone_page_state(zone, NR_FREE_PAGES, -(1 << order));
spin_unlock(&zone->lock);
if (!page)
goto failed;
+ __mod_zone_page_state(zone, NR_FREE_PAGES, -(1 << order));
}
__count_zone_vm_events(PGALLOC, zone, 1 << order);
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
origin.patch
linux-next.patch
mm-introduce-dump_page-and-print-symbolic-flag-names.patch
page-allocator-reduce-fragmentation-in-buddy-allocator-by-adding-buddies-that-are-merging-to-the-tail-of-the-free-lists.patch
mlock_vma_pages_range-never-return-negative-value.patch
mlock_vma_pages_range-only-return-success-or-failure.patch
vmscan-check-high-watermark-after-shrink-zone.patch
vmscan-check-high-watermark-after-shrink-zone-fix.patch
vmscan-get_scan_ratio-cleanup.patch
vmstat-add-anon_scan_ratio-field-to-zoneinfo.patch
memcg-add-anon_scan_ratio-to-memorystat-file.patch
mm-lockdep-annotate-reclaim-context-to-zone-reclaim-too.patch
mm-page_allocc-remove-duplicate-call-to-trace_mm_page_free_direct.patch
mm-page_allocc-adjust-a-call-site-to-trace_mm_page_free_direct.patch
mm-remove-function-free_hot_page.patch
mm-remove-function-free_hot_page-fix.patch
mm-restore-zone-all_unreclaimable-to-independence-word.patch
mm-restore-zone-all_unreclaimable-to-independence-word-fix.patch
mm-fix-mbind-vma-merge-problem.patch
prctl-add-pr_set_proctitle_area-option-for-prctl.patch
mm-pass-mm-flags-as-a-coredump-parameter-for-consistency.patch
memcg-move-charges-of-anonymous-swap-fix-2.patch
fs-symlink-write_begin-allocation-context-fix-reiser4-fix.patch
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