From: Ray Bryant <raybry@sgi.com>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Hirokazu Takahashi <taka@valinux.co.jp>,
Dave Hansen <haveblue@us.ibm.com>, linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH] mm: memory migration: bug in touch_unmapped_address
Date: Mon, 28 Feb 2005 12:56:40 -0600 [thread overview]
Message-ID: <42236968.9040807@sgi.com> (raw)
In-Reply-To: <20050228133348.GA26902@logos.cnet>
Marcelo Tosatti wrote:
> Good catch.
>
> That was the reason for the migration cache problems you were seeing?
>
AFAIK, no. I found this problem because pages were being touched after
I scanned for pages to be migrated -- the result was that pages that
had not been touched by the application were being touched and then
left on the old nodes.
For the moment, I'm still pursuing a strategy of getting my manual
page migration code to work without the migration cache -- once I've
got that all working I'll come back and revisit the migration cache
bug I had reported.
--
Best Regards,
Ray
-----------------------------------------------
Ray Bryant
512-453-9679 (work) 512-507-7807 (cell)
raybry@sgi.com raybry@austin.rr.com
The box said: "Requires Windows 98 or better",
so I installed Linux.
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next prev parent reply other threads:[~2005-02-28 18:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-28 17:36 [PATCH] mm: memory migration: bug in touch_unmapped_address Ray Bryant
2005-02-28 13:33 ` Marcelo Tosatti
2005-02-28 18:56 ` Ray Bryant [this message]
2005-03-01 0:09 ` Hirokazu Takahashi
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