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2017 Oct 02
0
[RFC] [PATCH] mm,oom: Offload OOM notify callback to a kernel thread.
On Mon 02-10-17 20:33:52, Tetsuo Handa wrote: > Michal Hocko wrote: > > [Hmm, I do not see the original patch which this has been a reply to] > > urbl.hostedemail.com and b.barracudacentral.org blocked my IP address, > and the rest are "Recipient address rejected: Greylisted" or > "Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported.", > and after all dropped at the servers. Sad... > &g...
2017 Oct 02
2
[RFC] [PATCH] mm,oom: Offload OOM notify callback to a kernel thread.
On Mon, Oct 02, 2017 at 01:50:35PM +0200, Michal Hocko wrote: > On Mon 02-10-17 20:33:52, Tetsuo Handa wrote: > > Michal Hocko wrote: > > > [Hmm, I do not see the original patch which this has been a reply to] > > > > urbl.hostedemail.com and b.barracudacentral.org blocked my IP address, > > and the rest are "Recipient address rejected: Greylisted" or > > "Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported.", > > and after all dropped at the servers....
2017 Oct 02
2
[RFC] [PATCH] mm,oom: Offload OOM notify callback to a kernel thread.
On Mon, Oct 02, 2017 at 01:50:35PM +0200, Michal Hocko wrote: > On Mon 02-10-17 20:33:52, Tetsuo Handa wrote: > > Michal Hocko wrote: > > > [Hmm, I do not see the original patch which this has been a reply to] > > > > urbl.hostedemail.com and b.barracudacentral.org blocked my IP address, > > and the rest are "Recipient address rejected: Greylisted" or > > "Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported.", > > and after all dropped at the servers....
2017 Sep 11
6
mm, virtio: possible OOM lockup at virtballoon_oom_notify()
Hello. I noticed that virtio_balloon is using register_oom_notifier() and leak_balloon() from virtballoon_oom_notify() might depend on __GFP_DIRECT_RECLAIM memory allocation. In leak_balloon(), mutex_lock(&vb->balloon_lock) is called in order to serialize against fill_balloon(). But in fill_balloon(), alloc_page(GFP_HIGHUSER[_MOVABLE] | __GFP_NOMEMALLOC | __GFP_NORETRY) is called with
2017 Sep 11
6
mm, virtio: possible OOM lockup at virtballoon_oom_notify()
Hello. I noticed that virtio_balloon is using register_oom_notifier() and leak_balloon() from virtballoon_oom_notify() might depend on __GFP_DIRECT_RECLAIM memory allocation. In leak_balloon(), mutex_lock(&vb->balloon_lock) is called in order to serialize against fill_balloon(). But in fill_balloon(), alloc_page(GFP_HIGHUSER[_MOVABLE] | __GFP_NOMEMALLOC | __GFP_NORETRY) is called with