On Mon, Jul 04, 2022 at 11:48:39AM +0100, Matthew Wilcox wrote: > On Mon, Jul 04, 2022 at 05:32:33AM +0100, Russell King (Oracle) wrote: > > On Sun, Jul 03, 2022 at 10:54:49PM +0100, Matthew Wilcox wrote: > > > On Sun, Jul 03, 2022 at 10:16:45PM +0100, Russell King (Oracle) wrote: > > > > On Sun, Jul 03, 2022 at 10:14:41PM +0100, Matthew Wilcox (Oracle) wrote: > > > > > This is the number of bits used by a PMD entry, not the order of a PMD. > > > > > > > > No, it's not the number of bits. A PMD entry doesn't fit in 2 or 3 bits. > > > > This is even more confusing. > > > > > > Well, what is it then? The order of something is PAGE_SIZE << n, and > > > that doesn't seem to be what this is. > > > > Where is it defined that "order" means "PAGE_SIZE << n" ? > > include/asm-generic/getorder.h: * get_order - Determine the allocation order of a memory size I really don't care - "order" is something that is a standard term, and is entirely appropriate in its use in this case. The fact is, this use conforms to the standard term usage, not some made up Linux whim. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
