On Wed, 20 Feb 2008 15:46:15 +0100 Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> Allow PF_MEMALLOC to be set in softirq context. When running softirqs from
> a borrowed context save current->flags, ksoftirqd will have its own
> task_struct.
The second sentence doesn't make sense.
> This is needed to allow network softirq packet processing to make use of
> PF_MEMALLOC.
>
> ...
>
> +#define tsk_restore_flags(p, pflags, mask) \
> + do { (p)->flags &= ~(mask); \
> + (p)->flags |= ((pflags) & (mask)); } while (0)
> +
Does it need to be a macro?
If so, it really should cook up a temporary to avoid referencing p twice -
the children might be watching.
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