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