The patch titled
tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-update
has been added to the -mm tree. Its filename is
tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-update.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-update
From: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
Signed-off-by: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/shmem.c~tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-update mm/shmem.c
--- a/mm/shmem.c~tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-update
+++ a/mm/shmem.c
@@ -2248,7 +2248,7 @@ static int shmem_remount_fs(struct super
spin_lock(&sbinfo->stat_lock);
inodes = sbinfo->max_inodes - sbinfo->free_inodes;
- if (config.max_blocks < percpu_counter_sum(&sbinfo->used_blocks))
+ if (percpu_counter_compare(&sbinfo->used_blocks, config.max_blocks) > 0)
goto out;
if (config.max_inodes < inodes)
goto out;
_
Patches currently in -mm which might be from tim.c.chen@xxxxxxxxxxxxxxx are
tmpfs-add-accurate-compare-function-to-percpu_counter-library.patch
tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-blocks.patch
tmpfs-make-tmpfs-scalable-with-percpu_counter-for-used-update.patch
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