Messages in this thread | | | Date | Wed, 27 Aug 2014 14:30:55 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH v10 00/21] Support ext4 on NV-DIMMs |
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On Wed, 27 Aug 2014 16:22:20 -0500 (CDT) Christoph Lameter <cl@linux.com> wrote:
> > Some explanation of why one would use ext4 instead of, say, > > suitably-modified ramfs/tmpfs/rd/etc? > > The NVDIMM contents survive reboot and therefore ramfs and friends wont > work with it.
See "suitably modified". Presumably this type of memory would need to come from a particular page allocator zone. ramfs would be unweildy due to its use to dentry/inode caches, but rd/etc should be feasible.
I dunno, I'm not proposing implementations - I'm asking obvious questions. Stuff which should have been addressed in the changelogs before one even starts to read the code...
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