Re: freezer problems

From: Oleg Nesterov
Date: Sun Feb 18 2007 - 17:02:32 EST


On 02/18, Rafael J. Wysocki wrote:
>
> Appended is a patch that does something along these lines. The necessary
> thread_info flags are defined for i386 and x86_64, for now.

I'll try to look at this patch when I am not sooooo sleepy ...

just one small nit right now,

> --- linux-2.6.20-mm2.orig/include/asm-i386/thread_info.h 2007-02-18 19:49:34.000000000 +0100
> +++ linux-2.6.20-mm2/include/asm-i386/thread_info.h 2007-02-18 19:50:37.000000000 +0100
> @@ -135,6 +135,7 @@ static inline struct thread_info *curren
> #define TIF_IO_BITMAP 18 /* uses I/O bitmap */
> #define TIF_FREEZE 19 /* is freezing for suspend */
> #define TIF_FORCED_TF 20 /* true if TF in eflags artificially */
> +#define TIF_FREEZER_SKIP 21 /* task freezer should not count us */

Do we need to put this flag into thread_info? It is always modified by
"current", so it could live in task_struct->flags instead.

Oleg.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/