Re: Is Swapping on software RAID1 possible in linux 2.4 ?

From: Pete Zaitcev (
Date: Thu Jul 05 2001 - 13:56:33 EST

In linux-kernel, you wrote:
> Peter Zaitsev wrote:
> >
> > That's why I thought this problem is related to raid1 swapping I'm
> > using.
> Well there is the potential problem that RAID1 has that it can't avoid allocating
> memory in some occasions, for the 2nd bufferhead. ATARAID raid0 has the same problem for
> now, and there is no real solution to this. You can pre-allocate a bunch of bufferheads,
> but under high load you will run out of those, no matter how many you pre-allocate.

Arjan, why doesn't it sleep instead (GFP_KERNEL)?

-- Pete
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This archive was generated by hypermail 2b29 : Sat Jul 07 2001 - 21:00:16 EST