The patch titled Subject: mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix has been added to the -mm tree. Its filename is mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-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.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix fix __udivdi3 ref on 32-bit Cc: Chris Down <chris@xxxxxxxxxxxxxx> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/mm/memcontrol.c~mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix +++ a/mm/memcontrol.c @@ -2414,8 +2414,9 @@ void mem_cgroup_handle_over_high(void) */ clamped_high = max(high, 1UL); - overage = ((u64)(usage - high) << MEMCG_DELAY_PRECISION_SHIFT) - / clamped_high; + overage = (u64)(usage - high) << MEMCG_DELAY_PRECISION_SHIFT; + do_div(overage, clamped_high); + penalty_jiffies = ((u64)overage * overage * HZ) >> (MEMCG_DELAY_PRECISION_SHIFT + MEMCG_DELAY_SCALING_SHIFT); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are asm-generic-fix-wtype-limits-compiler-warnings-fix.patch ocfs2-clear-zero-in-unaligned-direct-io-checkpatch-fixes.patch mm.patch mm-introduce-page_shift-fix.patch mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix.patch mm-throttle-allocators-when-failing-reclaim-over-memoryhigh-fix-fix.patch mm-memory_hotplug-remove-move_pfn_range-fix.patch mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-fix.patch mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2-fix.patch mm-oom-avoid-printk-iteration-under-rcu-fix.patch mm-oom_killer-add-task-uid-to-info-message-on-an-oom-kill-fix.patch psi-annotate-refault-stalls-from-io-submission-fix.patch psi-annotate-refault-stalls-from-io-submission-fix-2.patch diff-sucks.patch drivers-tty-serial-sh-scic-suppress-warning.patch kernel-forkc-export-kernel_thread-to-modules.patch