The patch titled
vmscan: zone_reclaim() don't use insane swap_cluster_max
has been removed from the -mm tree. Its filename was
vmscan-zone_reclaim-dont-use-insane-swap_cluster_max.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/
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Subject: vmscan: zone_reclaim() don't use insane swap_cluster_max
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
In old days, we didn't have sc.nr_to_reclaim and it brought
sc.swap_cluster_max misuse.
huge sc.swap_cluster_max might makes unnecessary OOM risk and no
performance benefit.
Now, we can stop its insane thing.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/vmscan.c~vmscan-zone_reclaim-dont-use-insane-swap_cluster_max mm/vmscan.c
--- a/mm/vmscan.c~vmscan-zone_reclaim-dont-use-insane-swap_cluster_max
+++ a/mm/vmscan.c
@@ -2539,8 +2539,7 @@ static int __zone_reclaim(struct zone *z
.may_writepage = !!(zone_reclaim_mode & RECLAIM_WRITE),
.may_unmap = !!(zone_reclaim_mode & RECLAIM_SWAP),
.may_swap = 1,
- .swap_cluster_max = max_t(unsigned long, nr_pages,
- SWAP_CLUSTER_MAX),
+ .swap_cluster_max = SWAP_CLUSTER_MAX,
.nr_to_reclaim = max_t(unsigned long, nr_pages,
SWAP_CLUSTER_MAX),
.gfp_mask = gfp_mask,
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
origin.patch
linux-next.patch
readahead-add-blk_run_backing_dev.patch
oom-kill-show-virtual-size-and-rss-information-of-the-killed-process.patch
oom-kill-fix-numa-consraint-check-with-nodemask-v42.patch
mm-introduce-coredump-parameter-structure.patch
fs-symlink-write_begin-allocation-context-fix-reiser4-fix.patch
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