On 06/19/2012 10:26 PM, Seth Jennings wrote:

Did you get a might_sleep warning on this?  I haven't seen this being an
issue.

No, i did not, i get it just from code review.

GFP_ATOMIC only modifies the existing mask to allow allocation use the
emergency pool.  It is __GFP_WAIT not being set that prevents sleep.  We
don't want to use the emergency pool since we make large, long lived
allocations with this mask.

Ah, yes, i thought only GFP_ATOMIC can prevent sleep, thank you very much
for pointing it out.

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