The patch titled
Subject: mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix
has been added to the -mm tree. Its filename is
mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix.patch
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------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxxx>
Subject: mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix
watermark check should use classzone_idx rather than high_zoneidx
to check reserves against the correct (preferred) zone.
Link: http://lkml.kernel.org/r/1463051677-29418-2-git-send-email-mhocko@xxxxxxxxxx
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/page_alloc.c~mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix mm/page_alloc.c
--- a/mm/page_alloc.c~mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix
+++ a/mm/page_alloc.c
@@ -3448,7 +3448,7 @@ should_reclaim_retry(gfp_t gfp_mask, uns
* available?
*/
if (__zone_watermark_ok(zone, order, min_wmark_pages(zone),
- ac->high_zoneidx, alloc_flags, available)) {
+ ac_classzone_idx(ac), alloc_flags, available)) {
/*
* If we didn't make any progress and have a lot of
* dirty + writeback pages then we should wait for
_
Patches currently in -mm which might be from mhocko@xxxxxxxx are
include-linux-nodemaskh-create-next_node_in-helper-fix.patch
mm-oom-move-gfp_nofs-check-to-out_of_memory.patch
oom-oom_reaper-try-to-reap-tasks-which-skip-regular-oom-killer-path.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.patch
mm-oom_reaper-clear-tif_memdie-for-all-tasks-queued-for-oom_reaper.patch
mm-oom_reaper-clear-tif_memdie-for-all-tasks-queued-for-oom_reaper-clear-oom_reaper_list-before-clearing-tif_memdie.patch
vmscan-consider-classzone_idx-in-compaction_ready.patch
mm-compaction-change-compact_-constants-into-enum.patch
mm-compaction-cover-all-compaction-mode-in-compact_zone.patch
mm-compaction-distinguish-compact_deferred-from-compact_skipped.patch
mm-compaction-distinguish-between-full-and-partial-compact_complete.patch
mm-compaction-update-compaction_result-ordering.patch
mm-compaction-simplify-__alloc_pages_direct_compact-feedback-interface.patch
mm-compaction-abstract-compaction-feedback-to-helpers.patch
mm-oom-rework-oom-detection.patch
mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages.patch
mm-throttle-on-io-only-when-there-are-too-many-dirty-and-writeback-pages-fix.patch
mm-oom-protect-costly-allocations-some-more.patch
mm-consider-compaction-feedback-also-for-costly-allocation.patch
mm-oom-compaction-prevent-from-should_compact_retry-looping-for-ever-for-costly-orders.patch
mm-oom_reaper-hide-oom-reaped-tasks-from-oom-killer-more-carefully.patch
mm-oom_reaper-do-not-mmput-synchronously-from-the-oom-reaper-context.patch
mm-oom_reaper-do-not-mmput-synchronously-from-the-oom-reaper-context-fix.patch
mm-make-mmap_sem-for-write-waits-killable-for-mm-syscalls.patch
mm-make-vm_mmap-killable.patch
mm-make-vm_munmap-killable.patch
mm-aout-handle-vm_brk-failures.patch
mm-elf-handle-vm_brk-error.patch
mm-make-vm_brk-killable.patch
mm-proc-make-clear_refs-killable.patch
mm-fork-make-dup_mmap-wait-for-mmap_sem-for-write-killable.patch
ipc-shm-make-shmem-attach-detach-wait-for-mmap_sem-killable.patch
vdso-make-arch_setup_additional_pages-wait-for-mmap_sem-for-write-killable.patch
coredump-make-coredump_wait-wait-for-mmap_sem-for-write-killable.patch
aio-make-aio_setup_ring-killable.patch
exec-make-exec-path-waiting-for-mmap_sem-killable.patch
prctl-make-pr_set_thp_disable-wait-for-mmap_sem-killable.patch
uprobes-wait-for-mmap_sem-for-write-killable.patch
drm-i915-make-i915_gem_mmap_ioctl-wait-for-mmap_sem-killable.patch
drm-radeon-make-radeon_mn_get-wait-for-mmap_sem-killable.patch
drm-amdgpu-make-amdgpu_mn_get-wait-for-mmap_sem-killable.patch
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