Re: freezer problems

[Oleg Nesterov]

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.

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