The patch titled
kill redundancy in rotate_reclaimable_page
has been added to the -mm tree. Its filename is
mm-use-pagevec-to-rotate-reclaimable-page-kill-redundancy-in-rotate_reclaimable_page.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: kill redundancy in rotate_reclaimable_page
From: Hugh Dickins <hugh@xxxxxxxxxxx>
a.k.a. mm-use-pagevec-to-rotate-reclaimable-page-cleanup.patch
PageActive and PageLRU twice in a row: of course there used to be a
lock taken in between those tests; but now that pagevec_move_tail() is
making those tests under lock, there's no point to repeating them here.
Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
Cc: Hisashi Hifumi <hifumi.hisashi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN mm/swap.c~mm-use-pagevec-to-rotate-reclaimable-page-kill-redundancy-in-rotate_reclaimable_page mm/swap.c
--- a/mm/swap.c~mm-use-pagevec-to-rotate-reclaimable-page-kill-redundancy-in-rotate_reclaimable_page
+++ a/mm/swap.c
@@ -158,14 +158,13 @@ int rotate_reclaimable_page(struct page
if (!PageLRU(page))
return 1;
- if (PageLRU(page) && !PageActive(page)) {
- page_cache_get(page);
- local_irq_save(flags);
- pvec = &__get_cpu_var(rotate_pvecs);
- if (!pagevec_add(pvec, page))
- pagevec_move_tail(pvec);
- local_irq_restore(flags);
- }
+ page_cache_get(page);
+ local_irq_save(flags);
+ pvec = &__get_cpu_var(lru_rotate_pvecs);
+ if (!pagevec_add(pvec, page))
+ pagevec_move_tail(pvec);
+ local_irq_restore(flags);
+
if (!test_clear_page_writeback(page))
BUG();
_
Patches currently in -mm which might be from hugh@xxxxxxxxxxx are
git-libata-all.patch
pa-risc-use-page-allocator-instead-of-slab-allocator.patch
mm-clarify-__add_to_swap_cache-locking.patch
mm-clarify-__add_to_swap_cache-locking-fix.patch
radix-tree-use-indirect-bit.patch
use-vm_read-write-exec-to-set-vm_page_prot.patch
mm-use-pagevec-to-rotate-reclaimable-page-fix-2.patch
mm-use-pagevec-to-rotate-reclaimable-page-fix-bug-at-include-linux-mmh220.patch
mm-use-pagevec-to-rotate-reclaimable-page-kill-redundancy-in-rotate_reclaimable_page.patch
mm-use-pagevec-to-rotate-reclaimable-page-move_tail_pages-into-lru_add_drain.patch
introduce-write_begin-write_end-aops-important-fix.patch
reiserfs-convert-to-new-aops-fix.patch
hostfs-convert-to-new-aops-fix.patch
affs-convert-to-new-aops-fix.patch
flush-cache-before-installing-new-page-at-migraton.patch
flush-icache-before-set_pte-on-ia64-flush-icache-at-set_pte.patch
flush-icache-before-set_pte-on-ia64-flush-icache-at-set_pte-fix.patch
flush-icache-before-set_pte-on-ia64-flush-icache-at-set_pte-fix-update.patch
maps-pssproportional-set-size-accounting-in-smaps.patch
mm-shmemc-make-3-functions-static.patch
lib-percpu_counter_sub.patch
mm-per-device-dirty-threshold-fix.patch
ext2-reservations.patch
fix-for-ext2-reservation.patch
ext2-balloc-use-io_error-label.patch
memory-controller-memory-accounting-v7-fix-swapoff-breakage-however.patch
exportfs-add-fid-type.patch
exportfs-add-new-methods.patch
shmem-new-export-ops.patch
exportfs-remove-old-methods.patch
exportfs-make-struct-export_operations-const.patch
exportfs-update-documentation.patch
prio_tree-debugging-patch.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
