Re: [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: Memory allocations in .suspend became very unreliable)

From: Oliver Neukum
Date: Tue Jan 19 2010 - 04:14:27 EST

Am Montag, 18. Januar 2010 22:06:36 schrieb Rafael J. Wysocki:
> I was concerned about another problem, though, which is what happens if the
> suspend process runs in parallel with a memory allocation that started earlier
> and happens to do some I/O. I that case the suspend process doesn't know
> about the I/O done by the mm subsystem and may disturb it in principle.

How could this happen? Who would allocate that memory?
Tasks won't be frozen while they are allocating memory.

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