linux-kernel - Re: [RFC PATCH 0/3] target: try satisfying memory requests with higher-order allocations

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Message-ID: <50490C6C.9060608@redhat.com>
Date:	Thu, 06 Sep 2012 22:49:48 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
CC:	linux-kernel@...r.kernel.org, target-devel@...r.kernel.org,
	Christoph Hellwig <hch@....de>
Subject: Re: [RFC PATCH 0/3] target: try satisfying memory requests with higher-order
 allocations

Il 06/09/2012 20:52, Nicholas A. Bellinger ha scritto:
> That way we can just disable a problematic fabric instead of having to
> revert the whole thing if users run into problems with a specific fabric
> module late during the cycle.  If the other fabric maintainers are OK
> with enabling this in their code and give their Reviewed-By's +
> Tested-By's, then I have no problem dropping this extra bit once
> everything has been converted.

Fair enough.

> Mmmmm, indeed.  Also, I'm not sure that every old SCSI LLD is smart
> enough to handle high older allocations -> multi-page SGLs either..

If not, they should simply set max_segment_size to 4096.

Paolo

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