Messages in this thread | | | Date | Tue, 10 Oct 2006 10:19:04 +0100 | From | Christoph Hellwig <> | Subject | Re: Directories > 2GB |
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On Mon, Oct 09, 2006 at 09:15:28PM -0500, Steve Lord wrote: > Hi Dave, > > My recollection is that it used to default to on, it was disabled > because it needs to map the buffer into a single contiguous chunk > of kernel memory. This was placing a lot of pressure on the memory > remapping code, so we made it not default to on as reworking the > code to deal with non contig memory was looking like a major > effort.
Exactly. The code works but tends to go OOM pretty fast at least when the dir blocksize code is bigger than the page size. I should give the code a spin on my ppc box with 64k pages if it works better there.
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