From owner-cvs-all Wed Jul 11 21:51:30 2001 Delivered-To: cvs-all@freebsd.org Received: from earth.backplane.com (earth-nat-cw.backplane.com [208.161.114.67]) by hub.freebsd.org (Postfix) with ESMTP id 66C2F37B401; Wed, 11 Jul 2001 21:51:24 -0700 (PDT) (envelope-from dillon@earth.backplane.com) Received: (from dillon@localhost) by earth.backplane.com (8.11.3/8.11.2) id f6C4pMG41228; Wed, 11 Jul 2001 21:51:22 -0700 (PDT) (envelope-from dillon) Date: Wed, 11 Jul 2001 21:51:22 -0700 (PDT) From: Matt Dillon Message-Id: <200107120451.f6C4pMG41228@earth.backplane.com> To: "Justin T. Gibbs" Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/vm vm_zeroidle.c src/sys/alpha/alpha vm_machdep.c src/sys/conf files src/sys/i386/i386 vm_machdep.c src/sys/ia64/ia64 vm_machdep.c src/sys/powerpc/powerpc vm_machdep.c References: <200107120237.f6C2bcU47653@aslan.scsiguy.com> Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG : :>dillon 2001/07/04 18:32:42 PDT :> :> Modified files: :> sys/alpha/alpha vm_machdep.c :> sys/conf files :> sys/i386/i386 vm_machdep.c :> sys/ia64/ia64 vm_machdep.c :> sys/powerpc/powerpc vm_machdep.c :> Added files: :> sys/vm vm_zeroidle.c :> Log: :> Move vm_page_zero_idle() from machine-dependant sections to a :> machine-independant source file, vm/vm_zeroidle.c. It was exactly the :> same for all platforms and updating them all was getting annoying. : :I seem to recall NetBSD doing some work to optimize their x86 :zero page code to avoid adverse cache effects. Making this :completely MI prevents such optimizations. : :-- :Justin No it doesn't. Read the code and look at the part that actually zero's the page. -Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message