From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <43CBD1C4.5020002@FreeBSD.org> Date: Mon, 16 Jan 2006 09:03:00 -0800 From: Suleiman Souhlal MIME-Version: 1.0 Subject: Re: differences between MADV_FREE and MADV_DONTNEED References: <20051101000509.GA11847@ccure.user-mode-linux.org> <1130894101.24503.64.camel@localhost.localdomain> <20051102014321.GG24051@opteron.random> <1130947957.24503.70.camel@localhost.localdomain> <20051111162511.57ee1af3.akpm@osdl.org> <1131755660.25354.81.camel@localhost.localdomain> <20051111174309.5d544de4.akpm@osdl.org> <43757263.2030401@us.ibm.com> <20060116130649.GE15897@opteron.random> <43CBC37F.60002@FreeBSD.org> <20060116162808.GG15897@opteron.random> In-Reply-To: <20060116162808.GG15897@opteron.random> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrea Arcangeli Cc: Badari Pulavarty , Andrew Morton , linux-kernel@vger.kernel.org, hugh@veritas.com, dvhltc@us.ibm.com, linux-mm@kvack.org, blaisorblade@yahoo.it, jdike@addtoit.com List-ID: Andrea Arcangeli wrote: > We can also use it for the same purpose, we could add the pages to > swapcache mark them dirty and zap the ptes _after_ that. Wouldn't that cause the pages to get swapped out immediately? If so, I don't think this would be the best approach: It would be better to just move the pages to the inactive list, if they aren't there already, so that they get swapped out only when they really need to be. -- Suleiman -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org