Re: [PATCH] mm: gfp_to_alloc_flags()

Pekka Enberg
2009-02-23T14:00:46Z

On Mon, 2009-02-23 at 12:55 +0100, Peter Zijlstra wrote:
> Subject: mm: gfp_to_alloc_flags()
> From: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Date: Mon Feb 23 12:46:36 CET 2009
>
> Clean up the code by factoring out the gfp to alloc_flags mapping.
>
> [neilb@suse.de says]
> As the test:
>
> - if (((p->flags & PF_MEMALLOC) || unlikely(test_thread_flag(TIF_MEMDIE)))
> - && !in_interrupt()) {
> - if (!(gfp_mask & __GFP_NOMEMALLOC)) {
>
> has been replaced with a slightly weaker one:
>
> + if (alloc_flags & ALLOC_NO_WATERMARKS) {
>
> we need to ensure we don't recurse when PF_MEMALLOC is set
>
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>