From: Hugh Dickins <hugh@veritas.com>
To: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Chris Wright <chrisw@osdl.org>, Jeff Dike <jdike@addtoit.com>,
linux-mm <linux-mm@kvack.org>, Darren Hart <dvhltc@us.ibm.com>
Subject: Re: [RFC][PATCH] OVERCOMMIT_ALWAYS extension
Date: Wed, 19 Oct 2005 21:10:12 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.61.0510192102031.10794@goblin.wat.veritas.com> (raw)
In-Reply-To: <1129747855.8716.12.camel@localhost.localdomain>
On Wed, 19 Oct 2005, Badari Pulavarty wrote:
>
> Darren Hart is working on patch to add madvise(DISCARD) to extend
> the functionality of madvise(DONTNEED) to really drop those pages.
> I was going to ask your opinion on that approach :)
>
> shmget(SHM_NORESERVE) + madvise(DISCARD) should do what I was
> hoping for. (BTW, none of this has been tested with database stuff -
> I am just concentrating on reasonable extensions.
That sounds interesting, and reasonable. But I'm afraid it's likely
to be several days (a week or more) before I get around to studying it.
If Jeff gets to look at it sooner, it would be interesting to hear if
it suits his need too (but it's entirely inappropriate for me to
expect Jeff to find time to do what I'm not).
Hugh
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next prev parent reply other threads:[~2005-10-19 20:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-17 17:30 [RFC] " Badari Pulavarty
2005-10-17 18:13 ` Hugh Dickins
2005-10-17 18:25 ` Hugh Dickins
2005-10-17 23:14 ` Badari Pulavarty
2005-10-18 16:05 ` [RFC][PATCH] " Badari Pulavarty
2005-10-19 17:56 ` Hugh Dickins
2005-10-19 18:32 ` Jeff Dike
2005-10-19 21:21 ` Badari Pulavarty
2005-10-19 22:38 ` Jeff Dike
2005-10-19 18:50 ` Badari Pulavarty
2005-10-19 19:12 ` Darren Hart
2005-10-19 20:10 ` Hugh Dickins [this message]
2005-10-19 20:47 ` Jeff Dike
2005-10-20 15:11 ` Badari Pulavarty
2005-10-20 17:27 ` Jeff Dike
2005-10-20 22:37 ` Badari Pulavarty
2005-10-24 20:04 ` Hugh Dickins
2005-10-24 20:22 ` Darren Hart
2005-10-24 20:24 ` Badari Pulavarty
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