From: Chuck Ebbert <76306.1226@compuserve.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Increase page fault rate by prezeroing V1 [1/3]: Introduce __GFP_ZERO
Date: Tue, 21 Dec 2004 20:40:47 -0500 [thread overview]
Message-ID: <200412212043_MC3-1-916E-5C5E@compuserve.com> (raw)
On Tue, 21 Dec 2004 at 11:56:07 -0800 Christoph Lameter wrote:
> --- linux-2.6.9.orig/include/asm-i386/page.h 2004-12-17 14:40:16.000000000 -0800
> +++ linux-2.6.9/include/asm-i386/page.h 2004-12-21 10:19:37.000000000 -0800
> @@ -20,6 +20,7 @@
>
> #define clear_page(page) mmx_clear_page((void *)(page))
> #define copy_page(to,from) mmx_copy_page(to,from)
> +#define zero_page(page, order) mmx_zero_page(page, order)
>
> #else
>
> @@ -29,6 +30,7 @@
> */
>
> #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
> +#define zero_page(page, ordeR) memset((void *)(page), 0, PAGE_SIZE << order)
Oops - - - - - - - - - - - - -^
> #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
>
> #endif
--
Please take it as a sign of my infinite respect for you,
that I insist on you doing all the work.
-- Rusty Russell
next reply other threads:[~2004-12-22 1:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-22 1:40 Chuck Ebbert [this message]
[not found] <B8E391BBE9FE384DAA4C5C003888BE6F02900FBD@scsmsx401.amr.corp.intel.com.suse.lists.linux.kernel>
[not found] ` <41C20E3E.3070209@yahoo.com.au.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.58.0412211154100.1313@schroedinger.engr.sgi.com.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.58.0412211155340.1313@schroedinger.engr.sgi.com.suse.lists.linux.kernel>
2004-12-21 22:40 ` Andi Kleen
2004-12-21 22:54 ` Christoph Lameter
2004-12-22 10:53 ` Andi Kleen
2004-12-22 19:54 ` Christoph Lameter
[not found] <B8E391BBE9FE384DAA4C5C003888BE6F02900FBD@scsmsx401.amr.corp.intel.com>
[not found] ` <41C20E3E.3070209@yahoo.com.au>
2004-12-21 19:55 ` Increase page fault rate by prezeroing V1 [0/3]: Overview Christoph Lameter
2004-12-21 19:56 ` Increase page fault rate by prezeroing V1 [1/3]: Introduce __GFP_ZERO Christoph Lameter
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