On 3 May 2012 17:13, Artem Bityutskiy <dedekind1@xxxxxxxxx> wrote: > On Thu, 2012-05-03 at 16:30 +1000, Nick Piggin wrote: >> Note that in writeback paths, a "good citizen" filesystem should not require >> any allocations, or at least it should be able to tolerate allocation failures. >> So fixing that would be a good idea anyway. > > This is a good point, but UBIFS kmallocs(GFP_NOFS) when doing I/O > because it needs to compress/decompress. But I agree that if kmalloc > fails, we should have a fall-back reserve buffer protected by a mutex > for memory pressure situations. AKA, a mempool :) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
