Messages in this thread | | | Date | Fri, 4 Apr 2008 22:54:32 +0200 | From | "Oliver Pinter" <> | Subject | Re: [PATCH] splice: use mapping_gfp_mask |
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hi all!
this patch for 2.6.22.y ?
if i good see, the __generic_file_splice_read bring out to 2.6.22 ..
http://repo.or.cz/w/linux-2.6.22.y-op-patches.git http://repo.or.cz/w/linux-2.6.22.y-op.git
On 4/4/08, Jens Axboe <jens.axboe@oracle.com> wrote: > On Thu, Apr 03 2008, Hugh Dickins wrote: > > The loop block driver is careful to mask __GFP_IO|__GFP_FS out of its > > mapping_gfp_mask, to avoid hangs under memory pressure. But nowadays > > it uses splice, usually going through __generic_file_splice_read. That > > must use mapping_gfp_mask instead of GFP_KERNEL to avoid those hangs. > > > > Signed-off-by: Hugh Dickins <hugh@veritas.com> > > --- > > Ought to go into 2.6.25. For 2.6.23 and 2.6.24 stable? Well, I've > > not actually seen this hang on any of these, though presumably it's > > lurking there. Where I did see it, and test the fix, was 2.6.25-rc5-mm1: > > whose SLUB had a disturbing predilection (since corrected) for order-4 > > allocations, even when allocating radix tree nodes. > > Thanks Hugh, definitely correct! I see it's already merged, so all is > well. > > -- > Jens Axboe > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
-- Thanks, Oliver
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