Date: Mon, 28 Oct 2002 11:38:39 +0900 From: Seigo Tanimura <tanimura@axe-inc.co.jp> To: Jeff Roberson <jroberson@chesapeake.net> Cc: Seigo Tanimura <tanimura@axe-inc.co.jp> Subject: Re: Dynamic growth of the buffer and buffer page reclaim Message-ID: <200210280238.g9S2ceoK077293@shojaku.t.axe-inc.co.jp> In-Reply-To: <20021023163758.R22147-100000@mail.chesapeake.net> References: <200210230935.g9N9ZgoK086922@shojaku.t.axe-inc.co.jp> <20021023163758.R22147-100000@mail.chesapeake.net>
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On Wed, 23 Oct 2002 16:51:44 -0400 (EDT), Jeff Roberson <jroberson@chesapeake.net> said: jroberson> I do, however, like the page unwiring idea. As long as it's not too jroberson> expensive. I have been somewhat disappointed that the buffer cache's jroberson> buffers are hands off for the vm. I'm confused about your approach jroberson> though. I think that the rewire function is unnecessary. You could move jroberson> this code into allocbuf() which would limit the number of times that you jroberson> have to make a pass over this list and keep the maintenance of it in a jroberson> more central place. This would also remove the need for truncating the jroberson> buf. I just wanted to make sure that buffers not in the clean queue look as they used to do without the patch. At least, if a buffer does not become busy or held, then it need not be rewired down. -- Seigo Tanimura <tanimura@axe-inc.co.jp> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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