The patch titled
mm-simplify-try_to_unmap_one-fix
has been removed from the -mm tree. Its filename was
mm-simplify-try_to_unmap_one-fix.patch
This patch was dropped because it was folded into mm-simplify-try_to_unmap_one.patch
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm-simplify-try_to_unmap_one-fix
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Hugh Dickins <hugh.dickins@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/rmap.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff -puN mm/rmap.c~mm-simplify-try_to_unmap_one-fix mm/rmap.c
--- a/mm/rmap.c~mm-simplify-try_to_unmap_one-fix
+++ a/mm/rmap.c
@@ -870,6 +870,14 @@ out:
out_mlock:
pte_unmap_unlock(pte, ptl);
+
+ /*
+ * We need mmap_sem locking, Otherwise VM_LOCKED check makes
+ * unstable result and race. Plus, We can't wait here because
+ * we now hold anon_vma->lock or mapping->i_mmap_lock.
+ * If trylock failed, The page remain evictable lru and
+ * retry to more unevictable lru by later vmscan.
+ */
if (down_read_trylock(&vma->vm_mm->mmap_sem)) {
if (vma->vm_flags & VM_LOCKED) {
mlock_vma_page(page);
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
origin.patch
oom-dump-stack-and-vm-state-when-oom-killer-panics.patch
mmap-dont-return-enomem-when-mapcount-is-temporarily-exceeded-in-munmap.patch
mm-move-inc_zone_page_statenr_isolated-to-just-isolated-place.patch
rmap-simplify-try_to_unmap_file.patch
oom_kill-use-rss-value-instead-of-vm-size-for-badness.patch
oom-kill-show-virtual-size-and-rss-information-of-the-killed-process.patch
oom-kill-fix-numa-consraint-check-with-nodemask-v42.patch
vmscan-have-kswapd-sleep-for-a-short-interval-and-double-check-it-should-be-asleep.patch
vmscan-stop-kswapd-waiting-on-congestion-when-the-min-watermark-is-not-being-met-v2.patch
mm-define-page_mapping_flags.patch
mm-mlocking-in-try_to_unmap_one.patch
mm-config_mmu-for-pg_mlocked.patch
mm-pass-address-down-to-rmap-ones.patch
mm-stop-ptlock-enlarging-struct-page.patch
mm-sigbus-instead-of-abusing-oom.patch
mm-add-numa-node-symlink-for-memory-section-in-sysfs.patch
mm-refactor-register_cpu_under_node.patch
mm-refactor-unregister_cpu_under_node.patch
mm-add-numa-node-symlink-for-cpu-devices-in-sysfs.patch
documentation-abi-sys-devices-system-cpu-cpu-node.patch
vmscan-separate-scswap_cluster_max-and-scnr_max_reclaim.patch
vmscan-kill-hibernation-specific-reclaim-logic-and-unify-it.patch
vmscan-zone_reclaim-dont-use-insane-swap_cluster_max.patch
vmscan-kill-scswap_cluster_max.patch
vmscan-make-consistent-of-reclaim-bale-out-between-do_try_to_free_page-and-shrink_zone.patch
mm-memory_hotplug-make-offline_pages-static.patch
mm-simplify-try_to_unmap_one.patch
mm-simplify-try_to_unmap_one-fix.patch
mm-simplify-try_to_unmap_one-fix-fix.patch
vmscan-do-not-evict-inactive-pages-when-skipping-an-active-list-scan.patch
vmscan-do-not-evict-inactive-pages-when-skipping-an-active-list-scan-fix.patch
vmscan-simplify-code.patch
mlock-replace-stale-comments-in-munlock_vma_page.patch
procfs-allow-threads-to-rename-siblings-via-proc-pid-tasks-tid-comm.patch
procfs-allow-threads-to-rename-siblings-via-proc-pid-tasks-tid-comm-doc.patch
maintainers-mark-cifs-mailing-list-as-moderated-for-non-subscribers.patch
lib-introduce-strim.patch
lib-introduce-strim-checkpatch-fixes.patch
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