search for: handa

Displaying 20 results from an estimated 190 matches for "handa".

Did you mean: hand
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
2018 Aug 06
1
[PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker
On 2018/08/06 21:44, Wang, Wei W wrote: > On Monday, August 6, 2018 6:29 PM, Tetsuo Handa wrote: >> On 2018/08/06 18:56, Wei Wang wrote: >>> On 08/03/2018 08:11 PM, Tetsuo Handa wrote: >>>> On 2018/08/03 17:32, Wei Wang wrote: >>>>> +static int virtio_balloon_register_shrinker(struct virtio_balloon >>>>> +*vb) { >>>>&g...
2018 Aug 06
2
[PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker
On 2018/08/06 18:56, Wei Wang wrote: > On 08/03/2018 08:11 PM, Tetsuo Handa wrote: >> On 2018/08/03 17:32, Wei Wang wrote: >>> +static int virtio_balloon_register_shrinker(struct virtio_balloon *vb) >>> +{ >>> +??? vb->shrinker.scan_objects = virtio_balloon_shrinker_scan; >>> +??? vb->shrinker.count_objects = virtio_balloon_s...
2018 Aug 06
2
[PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker
On 2018/08/06 18:56, Wei Wang wrote: > On 08/03/2018 08:11 PM, Tetsuo Handa wrote: >> On 2018/08/03 17:32, Wei Wang wrote: >>> +static int virtio_balloon_register_shrinker(struct virtio_balloon *vb) >>> +{ >>> +??? vb->shrinker.scan_objects = virtio_balloon_shrinker_scan; >>> +??? vb->shrinker.count_objects = virtio_balloon_s...
2015 Feb 06
1
[PATCH] virtio: Avoid possible kernel panic if DEBUG is enabled.
>From 11fd997d724f520ca628615e7ffbfd7901c40b62 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> Date: Fri, 6 Feb 2015 13:28:38 +0900 Subject: [PATCH] virtio: Avoid possible kernel panic if DEBUG is enabled. The virtqueue_add() calls START_USE() upon entry. The virtqueue_kick() is called if vq->num_added == (1 << 16) - 1 before calling EN...
2015 Feb 06
1
[PATCH] virtio: Avoid possible kernel panic if DEBUG is enabled.
>From 11fd997d724f520ca628615e7ffbfd7901c40b62 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> Date: Fri, 6 Feb 2015 13:28:38 +0900 Subject: [PATCH] virtio: Avoid possible kernel panic if DEBUG is enabled. The virtqueue_add() calls START_USE() upon entry. The virtqueue_kick() is called if vq->num_added == (1 << 16) - 1 before calling EN...
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....
2013 Oct 31
9
[Bug 2167] New: Connection remains when fork() fails.
https://bugzilla.mindrot.org/show_bug.cgi?id=2167 Bug ID: 2167 Summary: Connection remains when fork() fails. Product: Portable OpenSSH Version: 5.3p1 Hardware: Other OS: Linux Status: NEW Severity: enhancement Priority: P5 Component: sshd Assignee: unassigned-bugs at
2017 Oct 13
2
[PATCH] virtio: avoid possible OOM lockup at virtballoon_oom_notify()
On Tue, Oct 10, 2017 at 07:47:37PM +0900, Tetsuo Handa wrote: > 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 vb->balloon_lock mutex held. Since GFP_HIGHUSER[_...
2017 Oct 13
2
[PATCH] virtio: avoid possible OOM lockup at virtballoon_oom_notify()
On Tue, Oct 10, 2017 at 07:47:37PM +0900, Tetsuo Handa wrote: > 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 vb->balloon_lock mutex held. Since GFP_HIGHUSER[_...
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 >...
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 >...
2017 Oct 02
0
[RFC] [PATCH] mm,oom: Offload OOM notify callback to a kernel thread.
On Sun, Oct 01, 2017 at 02:44:34PM +0900, Tetsuo Handa wrote: > Tetsuo Handa wrote: > > Michael S. Tsirkin wrote: > > > On Mon, Sep 11, 2017 at 07:27:19PM +0900, Tetsuo Handa wrote: > > > > Hello. > > > > > > > > I noticed that virtio_balloon is using register_oom_notifier() and > > > >...
2017 Nov 04
1
[PATCH v17 4/6] virtio-balloon: VIRTIO_BALLOON_F_SG
Wei Wang wrote: > On 11/03/2017 07:25 PM, Tetsuo Handa wrote: > >> @@ -184,8 +307,12 @@ static unsigned fill_balloon(struct virtio_balloon *vb, size_t num) > >> > >> num_allocated_pages = vb->num_pfns; > >> /* Did we get any? */ > >> - if (vb->num_pfns != 0) > >> - tell_host(vb, vb-&...
2017 Nov 04
1
[PATCH v17 4/6] virtio-balloon: VIRTIO_BALLOON_F_SG
Wei Wang wrote: > On 11/03/2017 07:25 PM, Tetsuo Handa wrote: > >> @@ -184,8 +307,12 @@ static unsigned fill_balloon(struct virtio_balloon *vb, size_t num) > >> > >> num_allocated_pages = vb->num_pfns; > >> /* Did we get any? */ > >> - if (vb->num_pfns != 0) > >> - tell_host(vb, vb-&...
2008 May 18
1
State "disabled" to "Normal" menu
Hello all. is there a simple way to change the state of menu from "disabled" to "normal"? i have read from the Rcmdr code, but it's really difficult for me. I'm new for R. Thank you so much. Regard Handa --------------------------------- Yahoo! Toolbar kini dilengkapi dengan Search Assist. Download sekarang juga. [[alternative HTML version deleted]]
2017 Oct 13
0
[PATCH] virtio: avoid possible OOM lockup at virtballoon_oom_notify()
On Fri, Oct 13, 2017 at 08:28:37PM +0900, Tetsuo Handa wrote: > Michael, will you pick up this patch? > ---------- > >From 210dba24134e54cd470e79712c5cb8bb255566c0 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> > Date: Tue, 10 Oct 2017 19:28:20 +0900 > Subject: [PATCH] virtio: avoid poss...
2017 Dec 20
2
[PATCH v20 0/7] Virtio-balloon Enhancement
On 12/19/2017 10:05 PM, Tetsuo Handa wrote: > Wei Wang wrote: >> ChangeLog: >> v19->v20: >> 1) patch 1: xbitmap >> - add __rcu to "void **slot"; >> - remove the exceptional path. >> 2) patch 3: xbitmap >> - DeveloperNotes: add an item to comment that the current bit range &g...
2017 Oct 13
0
[PATCH] virtio: avoid possible OOM lockup at virtballoon_oom_notify()
On Fri, Oct 13, 2017 at 08:28:37PM +0900, Tetsuo Handa wrote: > Michael, will you pick up this patch? > ---------- > >From 210dba24134e54cd470e79712c5cb8bb255566c0 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> > Date: Tue, 10 Oct 2017 19:28:20 +0900 > Subject: [PATCH] virtio: avoid poss...