Messages in this thread |  | | | Subject | Re: [RFC/PATCH v2] mm: Introduce GFP_PANIC for non-failing allocations | | From | Pekka Enberg <> | | Date | Fri, 08 May 2009 17:23:00 +0300 |
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On Fri, 8 May 2009, Pekka Enberg wrote: > > +#define GFP_PANIC (__GFP_NOFAIL | __GFP_NORETRY | __GFP_NOMEMALLOC)
On Fri, 2009-05-08 at 10:20 -0400, Christoph Lameter wrote: > So this means not retrying the allocation a couple of times? Not delving > into reserve pools? Such behavior is good for a allocation that causes a > panic if it fails?
If you do GFP_KERNEL|GFP_PANIC, we will cond_resched() and retry if we made some progress. So yes, I think the behavior is good for early-boot call-sites that can't really fail anyway. Pekka
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