The patch titled
Subject: mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix
has been added to the -mm tree. Its filename is
mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix.patch
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------------------------------------------------------
From: Chris Down <chris@xxxxxxxxxxxxxx>
Subject: mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix
fix 64-bit divide even more
Cc: Nathan Chancellor <natechancellor@xxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/memcontrol.c~mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix
+++ a/mm/memcontrol.c
@@ -2433,8 +2433,8 @@ void mem_cgroup_handle_over_high(void)
*/
clamped_high = max(high, 1UL);
- overage = (u64)(usage - high) << MEMCG_DELAY_PRECISION_SHIFT;
- overage /= clamped_high;
+ overage = div_u64((u64)(usage - high) << MEMCG_DELAY_PRECISION_SHIFT,
+ clamped_high);
penalty_jiffies = ((u64)overage * overage * HZ)
>> (MEMCG_DELAY_PRECISION_SHIFT + MEMCG_DELAY_SCALING_SHIFT);
_
Patches currently in -mm which might be from chris@xxxxxxxxxxxxxx are
cgroup-kselftest-relax-fs_spec-checks.patch
mm-throttle-allocators-when-failing-reclaim-over-memoryhigh.patch
mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix-fix-fix.patch
mm-proportional-memorylowmin-reclaim.patch
mm-make-memoryemin-the-baseline-for-utilisation-determination.patch
mm-make-memoryemin-the-baseline-for-utilisation-determination-fix.patch
