From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3BCB63D7.2090703@zytor.com> Date: Mon, 15 Oct 2001 15:31:51 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: More questions... References: <20011015215654.16878.qmail@web14304.mail.yahoo.com> <3BCB5CF6.5020607@zytor.com> <20011016000836.A28390@gruyere.muc.suse.de> <3BCB5F20.5000609@zytor.com> <20011016001533.A30579@gruyere.muc.suse.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: Kanoj Sarcar , Linux MM mailing list List-ID: Andi Kleen wrote: > On Mon, Oct 15, 2001 at 03:11:44PM -0700, H. Peter Anvin wrote: > >>IWBNI it could be added, assuming it can be done without breaking existing >>applications (perhaps a flag could be snuck in somewhere.) I can write >>the code so that if the information is present, it uses it; otherwise the >>worst that can happen is having to do the two-step NONE -> READ -> >>READ|WRITE transition, as it currently is. >> > > At least on linux si_errno on signals should be always 0. I doubt anything > depends on that. I don't know if that is true on other operating systems > however. Single Unix has nothing to say about it as far as I can see. > > You don't need a flag. Just use it when it is != 0. > That's a flag as far as I'm concerned... I can do an #ifdef __linux__ and test the value of this field. -hpa -- 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/