The patch titled
lumpy: back out removal of active check in isolate_lru_pages
has been removed from the -mm tree. Its filename was
lumpy-back-out-removal-of-active-check-in-isolate_lru_pages.patch
This patch was dropped because it was folded into lumpy-reclaim-v4.patch
------------------------------------------------------
Subject: lumpy: back out removal of active check in isolate_lru_pages
From: Andy Whitcroft <apw@xxxxxxxxxxxx>
As pointed out by Christop Lameter it should not be possible for a page to
change its active/inactive state without taking the lru_lock. Reinstate this
safety net.
Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff -puN mm/vmscan.c~lumpy-back-out-removal-of-active-check-in-isolate_lru_pages mm/vmscan.c
--- a/mm/vmscan.c~lumpy-back-out-removal-of-active-check-in-isolate_lru_pages
+++ a/mm/vmscan.c
@@ -683,10 +683,13 @@ static unsigned long isolate_lru_pages(u
nr_taken++;
break;
- default:
- /* page is being freed, or is a missmatch */
+ case -EBUSY:
+ /* else it is being freed elsewhere */
list_move(&page->lru, src);
continue;
+
+ default:
+ BUG();
}
if (!order)
_
Patches currently in -mm which might be from apw@xxxxxxxxxxxx are
pci-device-ensure-sysdata-initialised-v2.patch
add-a-bitmap-that-is-used-to-track-flags-affecting-a-block-of-pages.patch
add-a-configure-option-to-group-pages-by-mobility.patch
move-free-pages-between-lists-on-steal.patch
do-not-group-pages-by-mobility-type-on-low-memory-systems.patch
fix-corruption-of-memmap-on-ia64-sparsemem-when-mem_section-is-not-a-power-of-2.patch
create-the-zone_movable-zone.patch
handle-kernelcore=-boot-parameter-in-common-code-to-avoid-boot-problem-on-ia64.patch
lumpy-reclaim-v4.patch
lumpy-back-out-removal-of-active-check-in-isolate_lru_pages.patch
lumpy-only-count-taken-pages-as-scanned.patch
kswapd-use-reclaim-order-in-background-reclaim.patch
lumpy-increase-pressure-at-the-end-of-the-inactive-list.patch
introduce-high_order-delineating-easily-reclaimable-orders.patch
introduce-high_order-delineating-easily-reclaimable-orders-cleanups.patch
lumpy-increase-pressure-at-the-end-of-the-inactive-list-cleanups.patch
add-pfn_valid_within-helper-for-sub-max_order-hole-detection.patch
anti-fragmentation-switch-over-to-pfn_valid_within.patch
lumpy-move-to-using-pfn_valid_within.patch
bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks.patch
bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks-tidy.patch
bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks-tidy-fix.patch
remove-page_group_by_mobility.patch
dont-group-high-order-atomic-allocations.patch
slab-numa-kmem_cache-diet.patch
sched-implement-staircase-deadline-cpu-scheduler-misc-fixes.patch
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