From: Izik Eidus <izike-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Rik van Riel <riel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: andrea-atKUWr5tajBWk0Htik3J/w@public.gmane.org,
yaniv-atKUWr5tajBWk0Htik3J/w@public.gmane.org,
kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org
Subject: Re: [RFC][PATCH 2/5] add new exported function replace_page()
Date: Wed, 23 Jan 2008 20:13:43 +0200 [thread overview]
Message-ID: <479783D7.9070802@qumranet.com> (raw)
In-Reply-To: <20080123130426.45dad2db-Fuq27k0DHcCSkoNiqTzCLQ@public.gmane.org>
Rik van Riel wrote:
> On Mon, 21 Jan 2008 18:10:50 +0200
> Izik Eidus <izike-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
>
>
>
> What prevents another CPU from freeing newpage while we run through
> the start of replace_page() ?
>
>
before calling to replace_page one have to call to get_page() and to do
put_page() after it finished
this what i am doing in ksm.c
should i do it in diffrent way?
--
woof.
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WARNING: multiple messages have this Message-ID (diff)
From: Izik Eidus <izike@qumranet.com>
To: Rik van Riel <riel@redhat.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
andrea@qumranet.com, avi@qumranet.com, dor.laor@qumranet.com,
linux-mm@kvack.org, yaniv@qumranet.com
Subject: Re: [kvm-devel] [RFC][PATCH 2/5] add new exported function replace_page()
Date: Wed, 23 Jan 2008 20:13:43 +0200 [thread overview]
Message-ID: <479783D7.9070802@qumranet.com> (raw)
In-Reply-To: <20080123130426.45dad2db@bree.surriel.com>
Rik van Riel wrote:
> On Mon, 21 Jan 2008 18:10:50 +0200
> Izik Eidus <izike@qumranet.com> wrote:
>
>
>
> What prevents another CPU from freeing newpage while we run through
> the start of replace_page() ?
>
>
before calling to replace_page one have to call to get_page() and to do
put_page() after it finished
this what i am doing in ksm.c
should i do it in diffrent way?
--
woof.
--
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next prev parent reply other threads:[~2008-01-23 18:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-21 16:10 [RFC][PATCH 2/5] add new exported function replace_page() Izik Eidus
2008-01-21 16:10 ` Izik Eidus
[not found] ` <4794C40A.3020500-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-23 18:04 ` Rik van Riel
2008-01-23 18:04 ` [kvm-devel] " Rik van Riel
[not found] ` <20080123130426.45dad2db-Fuq27k0DHcCSkoNiqTzCLQ@public.gmane.org>
2008-01-23 18:13 ` Izik Eidus [this message]
2008-01-23 18:13 ` Izik Eidus
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