* Warn about trap for programmer in mm.h
@ 2002-04-25 10:04 Pavel Machek
2002-04-25 10:13 ` Dave Jones
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Pavel Machek @ 2002-04-25 10:04 UTC (permalink / raw)
To: Rusty trivial patch monkey Russell, kernel list
Hi!
As suggested by A.Morton:
Pavel
--- clean/include/linux/mm.h Thu Apr 18 22:46:17 2002
+++ linux/include/linux/mm.h Thu Apr 25 12:01:19 2002
@@ -291,8 +291,8 @@
#define PG_arch_1 13
#define PG_reserved 14
#define PG_launder 15 /* written out by VM pressure.. */
-
#define PG_private 16 /* Has something at ->private */
+/* Top 8 bits are used for page's zone in 2.4-ac and 2.5, don't use them */
/* Make it prettier to test the above... */
#define UnlockPage(page) unlock_page(page)
--
(about SSSCA) "I don't say this lightly. However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Warn about trap for programmer in mm.h
2002-04-25 10:04 Warn about trap for programmer in mm.h Pavel Machek
@ 2002-04-25 10:13 ` Dave Jones
2002-04-25 10:40 ` Pavel Machek
2002-04-25 10:15 ` Christoph Hellwig
2002-04-26 0:37 ` David S. Miller
2 siblings, 1 reply; 5+ messages in thread
From: Dave Jones @ 2002-04-25 10:13 UTC (permalink / raw)
To: Pavel Machek; +Cc: Rusty trivial patch monkey Russell, kernel list
On Thu, Apr 25, 2002 at 12:04:40PM +0200, Pavel Machek wrote:
> #define PG_private 16 /* Has something at ->private */
> +/* Top 8 bits are used for page's zone in 2.4-ac and 2.5, don't use them */
>
Erm, and 2.4 mainline these days isn't it?
--
| Dave Jones. http://www.codemonkey.org.uk
| SuSE Labs
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Warn about trap for programmer in mm.h
2002-04-25 10:04 Warn about trap for programmer in mm.h Pavel Machek
2002-04-25 10:13 ` Dave Jones
@ 2002-04-25 10:15 ` Christoph Hellwig
2002-04-26 0:37 ` David S. Miller
2 siblings, 0 replies; 5+ messages in thread
From: Christoph Hellwig @ 2002-04-25 10:15 UTC (permalink / raw)
To: Pavel Machek; +Cc: Rusty trivial patch monkey Russell, kernel list
On Thu, Apr 25, 2002 at 12:04:40PM +0200, Pavel Machek wrote:
> Hi!
>
> As suggested by A.Morton:
> Pavel
>
> --- clean/include/linux/mm.h Thu Apr 18 22:46:17 2002
> +++ linux/include/linux/mm.h Thu Apr 25 12:01:19 2002
> @@ -291,8 +291,8 @@
> #define PG_arch_1 13
> #define PG_reserved 14
> #define PG_launder 15 /* written out by VM pressure.. */
> -
> #define PG_private 16 /* Has something at ->private */
> +/* Top 8 bits are used for page's zone in 2.4-ac and 2.5, don't use them */
s/in 2.4-ac and 2.5//
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Warn about trap for programmer in mm.h
2002-04-25 10:13 ` Dave Jones
@ 2002-04-25 10:40 ` Pavel Machek
0 siblings, 0 replies; 5+ messages in thread
From: Pavel Machek @ 2002-04-25 10:40 UTC (permalink / raw)
To: Dave Jones, Pavel Machek, Rusty trivial patch monkey Russell,
kernel list
Hi!
> > #define PG_private 16 /* Has something at ->private */
> > +/* Top 8 bits are used for page's zone in 2.4-ac and 2.5, don't use them */
> >
>
> Erm, and 2.4 mainline these days isn't it?
Rusty, its up to you. You can s/2.4-ac and 2.5//, but it is "correct"
in any way ;-).
Pavel
--
Casualities in World Trade Center: ~3k dead inside the building,
cryptography in U.S.A. and free speech in Czech Republic.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Warn about trap for programmer in mm.h
2002-04-25 10:04 Warn about trap for programmer in mm.h Pavel Machek
2002-04-25 10:13 ` Dave Jones
2002-04-25 10:15 ` Christoph Hellwig
@ 2002-04-26 0:37 ` David S. Miller
2 siblings, 0 replies; 5+ messages in thread
From: David S. Miller @ 2002-04-26 0:37 UTC (permalink / raw)
To: pavel; +Cc: trivial, linux-kernel
From: Pavel Machek <pavel@ucw.cz>
Date: Thu, 25 Apr 2002 12:04:40 +0200
As suggested by A.Morton:
... Pavel
#define PG_launder 15 /* written out by VM pressure.. */
-
#define PG_private 16 /* Has something at ->private */
+/* Top 8 bits are used for page's zone in 2.4-ac and 2.5, don't use them */
What does top 8 bites mean on a type whose size
is dependent upon the architecture? :-)
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2002-04-26 0:46 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2002-04-25 10:04 Warn about trap for programmer in mm.h Pavel Machek
2002-04-25 10:13 ` Dave Jones
2002-04-25 10:40 ` Pavel Machek
2002-04-25 10:15 ` Christoph Hellwig
2002-04-26 0:37 ` David S. Miller
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