On Wed, 27 Aug 2014 16:22:20 -0500 (CDT) Christoph Lameter <cl@xxxxxxxxx> 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... -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>