Re: [PATCH] mm: avoid livelock on !__GFP_FS allocations

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On Tue, Oct 25, 2011 at 11:12 PM, David Rientjes <rientjes@xxxxxxxxxx> wrote:
> On Tue, 25 Oct 2011, David Rientjes wrote:
>
>> Ok, so __GFP_NORETRY it is.  Just make sure that when
>> pm_restrict_gfp_mask() masks off __GFP_IO and __GFP_FS that it also sets
>> __GFP_NORETRY even though the name of the function no longer seems
>> appropriate anymore.
>>
>
> Or, rather, when pm_restrict_gfp_mask() clears __GFP_IO and __GFP_FS that
> it also has the same behavior as __GFP_NORETRY in should_alloc_retry() by
> setting a variable in file scope.
>

Why do you prefer that over adding a gfp_required_mask?

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