The patch titled
Subject: mm: Get rid of lockdep whinge on sys_swapon
has been added to the -mm tree. Its filename is
swap-add-per-partition-lock-for-swapfile-fix-fix-fix-fix-fix.patch
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------------------------------------------------------
From: Minchan Kim <minchan@xxxxxxxxxx>
Subject: mm: Get rid of lockdep whinge on sys_swapon
[1] forgot to initialize spin_lock so lockdep is whingeing
about it. This patch fixes it.
[1] 0f181e0e4, swap: add per-partition lock for swapfile
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
Tested-by: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
Cc: Shaohua Li <shli@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swapfile.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/swapfile.c~swap-add-per-partition-lock-for-swapfile-fix-fix-fix-fix-fix mm/swapfile.c
--- a/mm/swapfile.c~swap-add-per-partition-lock-for-swapfile-fix-fix-fix-fix-fix
+++ a/mm/swapfile.c
@@ -1856,6 +1856,7 @@ static struct swap_info_struct *alloc_sw
p->flags = SWP_USED;
p->next = -1;
spin_unlock(&swap_lock);
+ spin_lock_init(&p->lock);
return p;
}
_
Patches currently in -mm which might be from minchan@xxxxxxxxxx are
linux-next.patch
mm-compaction-make-__compact_pgdat-and-compact_pgdat-return-void.patch
mm-use-zone-present_pages-instead-of-zone-managed_pages-where-appropriate.patch
mm-set-zone-present_pages-to-number-of-existing-pages-in-the-zone.patch
mm-increase-totalram_pages-when-free-pages-allocated-by-bootmem-allocator.patch
mm-remove-migrate_isolate-check-in-hotpath.patch
mm-teach-mm-by-current-context-info-to-not-do-i-o-during-memory-allocation.patch
pm-runtime-introduce-pm_runtime_set_memalloc_noio.patch
block-genhdc-apply-pm_runtime_set_memalloc_noio-on-block-devices.patch
net-core-apply-pm_runtime_set_memalloc_noio-on-network-devices.patch
pm-runtime-force-memory-allocation-with-no-i-o-during-runtime-pm-callbcack.patch
usb-forbid-memory-allocation-with-i-o-during-bus-reset.patch
swap-make-each-swap-partition-have-one-address_space.patch
swap-make-each-swap-partition-have-one-address_space-fix.patch
swap-add-per-partition-lock-for-swapfile-fix-fix-fix-fix-fix.patch
mm-use-up-free-swap-space-before-reaching-oom-kill.patch
mm-add-vm-event-counters-for-balloon-pages-compaction.patch
block-aio-batch-completion-for-bios-kiocbs-fix-fix-fix-fix-fix.patch
block-aio-batch-completion-for-bios-kiocbs-fix-fix-fix-fix-fix-fix.patch
debugging-keep-track-of-page-owners-fix-2.patch
debugging-keep-track-of-page-owners-fix-2-fix.patch
debugging-keep-track-of-page-owners-fix-2-fix-fix.patch
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