On Thu, 2010-08-12 at 12:08 -0700, Andrew Morton wrote: > > This set of patches allows for each directory created in sysfs > > to cover more than one memory section. The default behavior for > > sysfs directory creation is the same, in that each directory > > represents a single memory section. A new file 'end_phys_index' > > in each directory contains the physical_id of the last memory > > section covered by the directory so that users can easily > > determine the memory section range of a directory. > > What you're proposing appears to be a non-back-compatible > userspace-visible change. This is a big issue! Nathan, one thought to get around this at the moment would be to bump up the size that we export in /sys/devices/system/memory/block_size_bytes. I think you have already done most of the hard work to accomplish this. You can still add the end_phys_index stuff. But, for now, it would always be equal to start_phys_index. -- Dave -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>