The patch titled
Subject: mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix
has been added to the -mm tree. Its filename is
mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix
tweak comment text
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Boaz Harrosh <boaz@xxxxxxxxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Ebru Akagunduz <ebru.akagunduz@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/huge_memory.c~mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix mm/huge_memory.c
--- a/mm/huge_memory.c~mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix
+++ a/mm/huge_memory.c
@@ -2488,8 +2488,8 @@ static void collapse_huge_page(struct mm
swap = get_mm_counter(mm, MM_SWAPENTS);
curr_allocstall = sum_vm_event(ALLOCSTALL);
/*
- * When system under pressure, don't swapin readahead.
- * So that avoid unnecessary resource consuming.
+ * Don't perform swapin readahead when the system is under pressure,
+ * to avoid unnecessary resource consumption.
*/
if (allocstall == curr_allocstall && swap != 0)
__collapse_huge_page_swapin(mm, vma, address, pmd);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
fsnotify-avoid-spurious-emfile-errors-from-inotify_init-checkpatch-fixes.patch
kernel-padata-hide-unused-functions-checkpatch-fixes.patch
mm.patch
mm-slab-freelist-randomization-v5-fix.patch
mm-rename-_count-field-of-the-struct-page-to-_refcount-fix.patch
mm-rename-_count-field-of-the-struct-page-to-_refcount-fix-fix.patch
include-linux-apply-__malloc-attribute-checkpatch-fixes.patch
include-linux-nodemaskh-create-next_node_in-helper.patch
include-linux-nodemaskh-create-next_node_in-helper-fix-fix.patch
mm-hugetlbc-use-first_memory_node.patch
mm-mempolicyc-offset_il_node-document-and-clarify.patch
mm-uninline-page_mapped.patch
mm-uninline-page_mapped-checkpatch-fixes.patch
memory_hotplug-introduce-config_memory_hotplug_default_online-fix.patch
oom-oom_reaper-try-to-reap-tasks-which-skip-regular-oom-killer-path-try-to-reap-tasks-which-skip-regular-memcg-oom-killer-path-fix.patch
mm-page_alloc-only-check-pagecompound-for-high-order-pages-fix.patch
mm-page_alloc-shorten-the-page-allocator-fast-path-fix.patch
mm-page_alloc-avoid-looking-up-the-first-zone-in-a-zonelist-twice-fix.patch
mm-page_alloc-un-inline-the-bad-part-of-free_pages_check-fix.patch
mm-page_alloc-defer-debugging-checks-of-freed-pages-until-a-pcp-drain-fix.patch
mm-page_alloc-dont-duplicate-code-in-free_pcp_prepare-fix.patch
mm-compaction-abstract-compaction-feedback-to-helpers-fix.patch
mm-oom-compaction-prevent-from-should_compact_retry-looping-for-ever-for-costly-orders-fix.patch
mm-thp-avoid-unnecessary-swapin-in-khugepaged-fix.patch
procfs-fixes-pthread-cross-thread-naming-if-pr_dumpable-fix.patch
exit_thread-remove-empty-bodies-fix.patch
exit_thread-accept-a-task-parameter-to-be-exited-checkpatch-fixes.patch
fs-execc-fix-minor-memory-leak.patch
linux-next-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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