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SubjectRe: [patch 1/5] mm: add nofail variants of kmalloc kcalloc and kzalloc
On Wed, 25 Aug 2010, Ted Ts'o wrote:

> A pool of free pages which is reserved for routines that are doing
> page cleaning would probably also be a good idea. Maybe that's just
> retrying with GFP_ATOMIC if a normal allocation fails, or maybe we
> need our own special pool, or maybe we need to dynamically resize the
> GFP_ATOMIC pool based on how many subsystems might need to use it....

PF_MEMALLOC is used for those tasks, not GFP_ATOMIC.

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