The patch titled
vmscan: shrink_active_list(): reduce lru_lock hold time
has been removed from the -mm tree. Its filename was
vmscan-shrink_active_list-reduce-lru_lock-hold-time.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: vmscan: shrink_active_list(): reduce lru_lock hold time
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
These three statements manipulate local variables and do not need the lock
coverage.
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Lee Schermerhorn <Lee.Schermerhorn@xxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff -puN mm/vmscan.c~vmscan-shrink_active_list-reduce-lru_lock-hold-time mm/vmscan.c
--- a/mm/vmscan.c~vmscan-shrink_active_list-reduce-lru_lock-hold-time
+++ a/mm/vmscan.c
@@ -1237,6 +1237,13 @@ static void shrink_active_list(unsigned
list_add(&page->lru, &l_inactive);
}
+ /*
+ * Move the pages to the [file or anon] inactive list.
+ */
+ pagevec_init(&pvec, 1);
+ pgmoved = 0;
+ lru = LRU_BASE + file * LRU_FILE;
+
spin_lock_irq(&zone->lru_lock);
/*
* Count referenced pages from currently used mappings as
@@ -1247,13 +1254,6 @@ static void shrink_active_list(unsigned
if (scan_global_lru(sc))
zone->recent_rotated[!!file] += pgmoved;
- /*
- * Move the pages to the [file or anon] inactive list.
- */
- pagevec_init(&pvec, 1);
-
- pgmoved = 0;
- lru = LRU_BASE + file * LRU_FILE;
while (!list_empty(&l_inactive)) {
page = lru_to_page(&l_inactive);
prefetchw_prev_lru_page(page, &l_inactive, flags);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
i-need-old-gcc.patch
mm-remove-the-might_sleep-from-lock_page.patch
linux-next.patch
next-remove-localversion.patch
linux-next-git-rejects.patch
clocksource-pass-clocksource-to-read-callback-sparc-cleanup.patch
drivers-input-touchscreen-ucb1400_tsc-needs-gpio.patch
video-mbp_nvidia_bl-add-support-for-macbook-5-macbook-air-2-and-macbook-pro-5-fix.patch
pci-quirks-unhide-overflow-device-on-i828675p-pe-chipsets.patch
raw-fix-rawctl-compat-ioctls-breakage-on-amd64-and-itanic-checkpatch-fixes.patch
scsi-dpt_i2o-is-bust-on-ia64.patch
page_fault-retry-with-nopage_retry-fix.patch
page_fault-retry-with-nopage_retry-fix-fix.patch
mm-add-proc-controls-for-pdflush-threads-fix.patch
mm-add-proc-controls-for-pdflush-threads-fix-fix.patch
smp_call_function_single-be-slightly-less-stupid.patch
cgroups-skip-processes-from-other-namespaces-when-listing-a-cgroup-checkpatch-fixes.patch
memcg-introduce-charge-commit-cancel-style-of-functions-fix.patch
memcg-new-force_empty-to-free-pages-under-group-fix-fix.patch
memcg-swap-cgroup-for-remembering-usage.patch
memory-cgroup-resource-counters-for-hierarchy-v4-checkpatch-fixes.patch
memory-cgroup-hierarchical-reclaim-v4-checkpatch-fixes.patch
memcg-avoid-unnecessary-system-wide-oom-killer-fix.patch
w1-allow-master-io-commands-fix.patch
romfs-romfs_iget-unsigned-ino-=-0-is-always-true-checkpatch-fixes.patch
filesystem-freeze-implement-generic-freeze-feature-fix.patch
nilfs2-inode-operations-fix.patch
nilfs2-pathname-operations-fix.patch
nilfs2-super-block-operations-fix.patch
kmemleak-add-the-base-support-fix.patch
reiser4.patch
reiser4-remove-simple_prepare_write-usage-checkpatch-fixes.patch
nr_blockdev_pages-in_interrupt-warning.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
shrink_slab-handle-bad-shrinkers.patch
getblk-handle-2tb-devices.patch
getblk-handle-2tb-devices-fix.patch
undeprecate-pci_find_device.patch
notify_change-callers-must-hold-i_mutex.patch
drivers-net-bonding-bond_sysfsc-suppress-uninitialized-var-warning.patch
w1-build-fix.patch
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