2014-07-15 오전 5:37, Andrew Morton 쓴 글:
On Mon, 14 Jul 2014 16:02:25 +0900 Joonsoo Kim wrote:
On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
On Mon, Jul 07 2014, Andrew Morton wrote:
What I proposed is that CMA call invalidate_bh_lrus() right at the
outset. Something
2014-07-15 오전 5:37, Andrew Morton 쓴 글:
On Mon, 14 Jul 2014 16:02:25 +0900 Joonsoo Kim iamjoonsoo@lge.com wrote:
On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
On Mon, Jul 07 2014, Andrew Morton a...@linux-foundation.org wrote:
What I proposed is that CMA call
On Mon, 14 Jul 2014 16:02:25 +0900 Joonsoo Kim wrote:
> On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
> > On Mon, Jul 07 2014, Andrew Morton wrote:
> > > What I proposed is that CMA call invalidate_bh_lrus() right at the
> > > outset. Something along the lines of
> > >
> >
On Mon, Jul 14 2014, Joonsoo Kim wrote:
> On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
>> This seems reasonable, except I think [invalidate_bh_lrus()] should
>> go after start_isolate_page_range call because otherwise there's no
>> guarantee that someone won't grab those
On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
> On Mon, Jul 07 2014, Andrew Morton wrote:
> > What I proposed is that CMA call invalidate_bh_lrus() right at the
> > outset. Something along the lines of
> >
> > --- a/mm/page_alloc.c~a
> > +++ a/mm/page_alloc.c
> > @@ -6329,6
On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
On Mon, Jul 07 2014, Andrew Morton a...@linux-foundation.org wrote:
What I proposed is that CMA call invalidate_bh_lrus() right at the
outset. Something along the lines of
--- a/mm/page_alloc.c~a
+++ a/mm/page_alloc.c
On Mon, Jul 14 2014, Joonsoo Kim iamjoonsoo@lge.com wrote:
On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
This seems reasonable, except I think [invalidate_bh_lrus()] should
go after start_isolate_page_range call because otherwise there's no
guarantee that someone won't
On Mon, 14 Jul 2014 16:02:25 +0900 Joonsoo Kim iamjoonsoo@lge.com wrote:
On Tue, Jul 08, 2014 at 06:46:31PM +0200, Michal Nazarewicz wrote:
On Mon, Jul 07 2014, Andrew Morton a...@linux-foundation.org wrote:
What I proposed is that CMA call invalidate_bh_lrus() right at the
outset.
On Mon, Jul 07 2014, Andrew Morton wrote:
> What I proposed is that CMA call invalidate_bh_lrus() right at the
> outset. Something along the lines of
>
> --- a/mm/page_alloc.c~a
> +++ a/mm/page_alloc.c
> @@ -6329,6 +6329,14 @@ int alloc_contig_range(unsigned long sta
> };
>
On Mon, Jul 07 2014, Andrew Morton a...@linux-foundation.org wrote:
What I proposed is that CMA call invalidate_bh_lrus() right at the
outset. Something along the lines of
--- a/mm/page_alloc.c~a
+++ a/mm/page_alloc.c
@@ -6329,6 +6329,14 @@ int alloc_contig_range(unsigned long sta
};
On Tue, 08 Jul 2014 13:44:04 +0900 Gioh Kim wrote:
> 2014-07-08 __ 7:52, Andrew Morton ___ ___:
> > On Fri, 04 Jul 2014 17:25:09 +0900 Gioh Kim wrote:
> >
> >> From: Gioh Kim
> >> Date: Fri, 4 Jul 2014 16:53:22 +0900
> >> Subject: [PATCH] [R
It's my fault.
I'm going to send another patch ASAP.
2014-07-08 오전 7:52, Andrew Morton 쓴 글:
On Fri, 04 Jul 2014 17:25:09 +0900 Gioh Kim wrote:
From: Gioh Kim
Date: Fri, 4 Jul 2014 16:53:22 +0900
Subject: [PATCH] [RFC] CMA: clear buffer-head lru before page migration
When CMA try
On Fri, 04 Jul 2014 17:25:09 +0900 Gioh Kim wrote:
> From: Gioh Kim
> Date: Fri, 4 Jul 2014 16:53:22 +0900
> Subject: [PATCH] [RFC] CMA: clear buffer-head lru before page migration
>
> When CMA try to migrate page, some buffer-heads can exist on lru.
> The bh on lru has non-z
On Fri, 04 Jul 2014 17:25:09 +0900 Gioh Kim gioh@lge.com wrote:
From: Gioh Kim gioh@lge.com
Date: Fri, 4 Jul 2014 16:53:22 +0900
Subject: [PATCH] [RFC] CMA: clear buffer-head lru before page migration
When CMA try to migrate page, some buffer-heads can exist on lru.
The bh on lru
It's my fault.
I'm going to send another patch ASAP.
2014-07-08 오전 7:52, Andrew Morton 쓴 글:
On Fri, 04 Jul 2014 17:25:09 +0900 Gioh Kim gioh@lge.com wrote:
From: Gioh Kim gioh@lge.com
Date: Fri, 4 Jul 2014 16:53:22 +0900
Subject: [PATCH] [RFC] CMA: clear buffer-head lru before page
buffer-head lru before page migration
When CMA try to migrate page, some buffer-heads can exist on lru.
The bh on lru has non-zero count value so that it cannot be dropped
even-if it is not used. We can drop only buffers related to the
migrated page, but it can take long time more than
< -
>From d90cd3d13b73f7278c60d8fe625840664adcbb6a Mon Sep 17 00:00:00 2001
From: Gioh Kim
Date: Fri, 4 Jul 2014 16:53:22 +0900
Subject: [PATCH] [RFC] CMA: clear buffer-head lru before page migration
When CMA try to migrate page, some buffer-heads can exist on lru.
The bh
-
From d90cd3d13b73f7278c60d8fe625840664adcbb6a Mon Sep 17 00:00:00 2001
From: Gioh Kim gioh@lge.com
Date: Fri, 4 Jul 2014 16:53:22 +0900
Subject: [PATCH] [RFC] CMA: clear buffer-head lru before page migration
When CMA try to migrate page, some buffer-heads can exist on lru
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