Messages in this thread |  | | Date | Wed, 14 Feb 2007 05:28:43 +0100 | From | Nick Piggin <> | Subject | Re: [patch] mm: NUMA replicated pagecache |
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On Tue, Feb 13, 2007 at 07:09:24AM +0100, Nick Piggin wrote: > > Issues: > - Not commented. I want to change the interfaces around anyway. > - Breaks filesystems that use filemap_nopage, but don't call filemap_mkwrite > (eg. XFS). Fix is trivial for most cases. > - Haven't tested NUMA yet (only tested via a hack to do per-CPU replication) > - Would like to be able to control replication via userspace, and maybe > even internally to the kernel. > - Ideally, reclaim might reclaim replicated pages preferentially, however > I aim to be _minimally_ intrusive. > - Would like to replicate PagePrivate, but filesystem may dirty page via > buffers. Any solutions? (currently should mount with 'nobh').
Hmm, I guess we should be able to do this for pagecache of regular files, as filesystems should not have any business dirtying that. - 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/
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