On Thu, 25 Jul 2019 15:02:59 -0700 Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > On 7/24/19 9:40 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > The mm-of-the-moment snapshot 2019-07-24-21-39 has been uploaded to > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > mmotm-readme.txt says > > > > README for mm-of-the-moment: > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > This is a snapshot of my -mm patch queue. Uploaded at random hopefully > > more than once a week. > > > > You will need quilt to apply these patches to the latest Linus release (5.x > > or 5.x-rcY). The series file is in broken-out.tar.gz and is duplicated in > > http://ozlabs.org/~akpm/mmotm/series > > > > on i386: > > ld: mm/memcontrol.o: in function `mem_cgroup_handle_over_high': > memcontrol.c:(.text+0x6235): undefined reference to `__udivdi3' Thanks. This? --- 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); _
