From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 17 Aug 1999 14:40:50 +0200 (CEST) From: Andrea Arcangeli Subject: Re: [bigmem-patch] 4GB with Linux on IA32 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Linus Torvalds Cc: Alan Cox , Kanoj Sarcar , sct@redhat.com, Gerhard.Wichert@pdb.siemens.de, Winfried.Gerhard@pdb.siemens.de, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org List-ID: On Mon, 16 Aug 1999, Linus Torvalds wrote: >pages only may be enough for many things. Especially if anonymous pages >_prefer_ the high-memory pages. Yes shm/vmalloc/anonymous memory always prefer the high-memory pages. >Oh, and copied-on-write pages count as anonymous, I assume you did that >already (ie when you allocate a new page and copy the old contents into >it, you might as well consider the new page to be anonymous, even though >it gets its initial data from a potentially non-anonymous page). Yes, the copy-on-write always prefer the bigmem pages for the allocation. Andrea -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://humbolt.geo.uu.nl/Linux-MM/