The patch titled
mm: shmem: change remove_from_page_cache
has been removed from the -mm tree. Its filename was
mm-shmem-change-remove_from_page_cache.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: mm: shmem: change remove_from_page_cache
From: Minchan Kim <minchan.kim@xxxxxxxxx>
This patch series changes remove_from_page_cache()'s page ref counting
rule. Page cache ref count is decreased in delete_from_page_cache(). So
we don't need to decrease the page reference in callers.
Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Acked-by: Hugh Dickins <hughd@xxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/shmem.c~mm-shmem-change-remove_from_page_cache mm/shmem.c
--- a/mm/shmem.c~mm-shmem-change-remove_from_page_cache
+++ a/mm/shmem.c
@@ -1081,7 +1081,7 @@ static int shmem_writepage(struct page *
shmem_recalc_inode(inode);
if (swap.val && add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) {
- remove_from_page_cache(page);
+ delete_from_page_cache(page);
shmem_swp_set(info, entry, swap.val);
shmem_swp_unmap(entry);
if (list_empty(&info->swaplist))
@@ -1091,7 +1091,6 @@ static int shmem_writepage(struct page *
spin_unlock(&info->lock);
swap_shmem_alloc(swap);
BUG_ON(page_mapped(page));
- page_cache_release(page); /* pagecache ref */
swap_writepage(page, wbc);
if (inode) {
mutex_lock(&shmem_swaplist_mutex);
_
Patches currently in -mm which might be from minchan.kim@xxxxxxxxx are
origin.patch
linux-next.patch
mm-batch-activate_page-to-reduce-lock-contention.patch
memcg-res_counter_read_u64-fix-potential-races-on-32-bit-machines.patch
memcg-soft-limit-reclaim-should-end-at-limit-not-below.patch
memcg-simplify-the-way-memory-limits-are-checked.patch
memcg-remove-unused-page-flag-bitfield-defines.patch
memcg-remove-impossible-conditional-when-committing.patch
memcg-remove-null-check-from-lookup_page_cgroup-result.patch
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages.patch
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update.patch
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update-fix.patch
memcg-no-uncharged-pages-reach-page_cgroup_zoneinfo.patch
memcg-change-page_cgroup_zoneinfo-signature.patch
memcg-change-page_cgroup_zoneinfo-signature-fix.patch
memcg-fold-__mem_cgroup_move_account-into-caller.patch
memcg-condense-page_cgroup-to-page-lookup-points.patch
memcg-remove-direct-page_cgroup-to-page-pointer.patch
memcg-remove-direct-page_cgroup-to-page-pointer-fix.patch
memcg-charged-pages-always-have-valid-per-memcg-zone-info.patch
memcg-remove-memcg-reclaim_param_lock.patch
memcg-document-cgroup-dirty-memory-interfaces.patch
memcg-add-page_cgroup-flags-for-dirty-page-tracking.patch
memcg-add-dirty-page-accounting-infrastructure.patch
memcg-add-kernel-calls-for-memcg-dirty-page-stats.patch
memcg-add-dirty-limits-to-mem_cgroup.patch
memcg-add-cgroupfs-interface-to-memcg-dirty-limits.patch
memcg-add-dirty-limiting-routines.patch
memcg-check-memcg-dirty-limits-in-page-writeback.patch
memcg-make-background-writeback-memcg-aware.patch
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