On Fri, Jan 20, 2023 at 05:55:56PM +0000, David Howells wrote: > Renumber FOLL_GET and FOLL_PIN down to bit 0 and 1 respectively so that > they are coincidentally the same as BIO_PAGE_REFFED and BIO_PAGE_PINNED and > also so that they can be stored in the bottom two bits of a page pointer > (something I'm looking at for zerocopy socket fragments). > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Although I was hoping you'd renumber some of the others since we currently have gaps at 0x200, 0x400, 0x1000, and 0x4000 as well as the 0x40 you're using here.
