The patch titled
Subject: document-interaction-between-compaction-and-the-unevictable-lru-fix
has been added to the -mm tree. Its filename is
document-interaction-between-compaction-and-the-unevictable-lru-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/document-interaction-between-compaction-and-the-unevictable-lru-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/document-interaction-between-compaction-and-the-unevictable-lru-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: document-interaction-between-compaction-and-the-unevictable-lru-fix
identify /proc/sys/vm/compact_unevictable directly
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Eric B Munson <emunson@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/vm/unevictable-lru.txt | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff -puN Documentation/vm/unevictable-lru.txt~document-interaction-between-compaction-and-the-unevictable-lru-fix Documentation/vm/unevictable-lru.txt
--- a/Documentation/vm/unevictable-lru.txt~document-interaction-between-compaction-and-the-unevictable-lru-fix
+++ a/Documentation/vm/unevictable-lru.txt
@@ -455,10 +455,11 @@ COMPACTING MLOCKED PAGES
------------------------
The unevictable LRU can be scanned for compactable regions and the default
-behavior is to do so. There is a sysctl to control this behavior (see
-Documentation/sysctl/vm.txt). Once scanning of the unevictable LRU is
-enabled, the work of compaction is mostly handled by the page migration code
-and the same work flow as described in MIGRATING MLOCKED PAGES will apply.
+behavior is to do so. /proc/sys/vm/compact_unevictable_allowed controls
+this behavior (see Documentation/sysctl/vm.txt). Once scanning of the
+unevictable LRU is enabled, the work of compaction is mostly handled by
+the page migration code and the same work flow as described in MIGRATING
+MLOCKED PAGES will apply.
mmap(MAP_LOCKED) SYSTEM CALL HANDLING
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
mm.patch
mm-cma-release-trigger-checkpatch-fixes.patch
mm-cma-allocation-trigger-fix.patch
mm-compaction-enhance-compaction-finish-condition-fix.patch
page_writeback-cleanup-mess-around-cancel_dirty_page-checkpatch-fixes.patch
mm-hide-per-cpu-lists-in-output-of-show_mem-fix.patch
mm-clarify-__gfp_nofail-deprecation-status-checkpatch-fixes.patch
mm-change-vunmap-to-tear-down-huge-kva-mappings-fix.patch
mm-mempool-do-not-allow-atomic-resizing-checkpatch-fixes.patch
mm-memory-failurec-define-page-types-for-action_result-in-one-place.patch
include-linux-page-flagsh-rename-macros-to-avoid-collisions.patch
document-interaction-between-compaction-and-the-unevictable-lru-fix.patch
mm-memcg-sync-allocation-and-memcg-charge-gfp-flags-for-thp-fix.patch
mm-vmalloc-occupy-newly-allocated-vmap-block-just-after-allocation.patch
mm-mmapc-use-while-instead-of-ifgoto-fix.patch
mm-vmscan-fix-the-page-state-calculation-in-too_many_isolated.patch
x86-add-pmd_-for-thp-fix.patch
sparc-add-pmd_-for-thp-fix.patch
mm-support-madvisemadv_free-fix-2.patch
mm-move-lazy-free-pages-to-inactive-list-fix-fix.patch
zram-add-dynamic-device-add-remove-functionality-fix.patch
zram-introduce-automatic-device_id-generation-fix.patch
zsmalloc-support-compaction-fix.patch
kernel-conditionally-support-non-root-users-groups-and-capabilities-checkpatch-fixes.patch
lib-vsprintf-add-%pcnr-format-specifiers-for-clocks-fix.patch
lib-find__bit-reimplementation-fix.patch
checkpatch-match-more-world-writable-permissions-fix.patch
binfmt_misc-simplify-entry_status-fix.patch
rtc-add-abracon-abx80x-driver-fix.patch
rtc-driver-for-conexant-digicolor-cx92755-on-chip-rtc-fix.patch
rtc-omap-add-external-32k-clock-feature-fix.patch
fs-fat-remove-unnecessary-includes-fix.patch
kernel-forkc-avoid-division-by-zero-fix.patch
kernel-forkc-avoid-division-by-zero-fix-fix.patch
doc-sysctl-kerneltxt-document-threads-max-fix.patch
mm-rcu-protected-get_mm_exe_file-fix-2.patch
affs-kstrdup-memory-handling-fix.patch
kconfig-use-macros-which-are-already-defined-fix.patch
linux-next.patch
linux-next-rejects.patch
lib-kconfig-fix-up-have_arch_bitreverse-help-text.patch
oprofile-reduce-mmap_sem-hold-for-mm-exe_file-fix.patch
tomoyo-reduce-mmap_sem-hold-for-mm-exe_file-checkpatch-fixes.patch
documentation-spi-spidev_testc-fix-warning.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
journal_add_journal_head-debug.patch
journal_add_journal_head-debug-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
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