The patch titled
Subject: mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2
has been added to the -mm tree. Its filename is
mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN mm/compaction.c~mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2 mm/compaction.c
--- a/mm/compaction.c~mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2
+++ a/mm/compaction.c
@@ -498,10 +498,14 @@ static unsigned long isolate_freepages_b
/* Found a free page, will break it into order-0 pages */
order = page_order(page);
isolated = __isolate_free_page(page, order);
+ if (!isolated)
+ break;
set_page_private(page, order);
+
total_isolated += isolated;
- list_add_tail(&page->lru, freelist);
cc->nr_freepages += isolated;
+ list_add_tail(&page->lru, freelist);
+
if (!strict && cc->nr_migratepages <= cc->nr_freepages) {
blockpfn += isolated;
break;
_
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
mm.patch
mm-reorganize-slab-freelist-randomization-fix.patch
mm-balloon-use-general-non-lru-movable-page-feature-fix.patch
mm-compaction-split-freepages-without-holding-the-zone-lock-fix-2.patch
mm-frontswap-convert-frontswap_enabled-to-static-key-checkpatch-fixes.patch
mm-add-nr_zsmalloc-to-vmstat-fix.patch
mm-memcg-use-consistent-gfp-flags-during-readahead-checkpatch-fixes.patch
mm-thp-make-swapin-readahead-under-down_read-of-mmap_sem-fix-2-fix.patch
mm-fix-build-warnings-in-linux-compactionh-fix.patch
mm-vmscan-move-lru-lists-to-node-fix.patch
mm-update-the-comment-in-__isolate_free_page-checkpatch-fixes.patch
nvme-dont-allocate-unused-nvme_major-fix.patch
kexec-ensure-user-memory-sizes-do-not-wrap-fix.patch
kexec-allow-architectures-to-override-boot-mapping-fix.patch
linux-next-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
bitmap-bitmap_equal-memcmp-optimization-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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