Matthew Wilcox <willy@xxxxxxxxxxxxx> writes: > On Wed, May 03, 2023 at 11:06:59AM +0200, Andreas Hindborg wrote: >> From: Andreas Hindborg <a.hindborg@xxxxxxxxxxx> >> >> This patch adds support for working with pages of order 0. Support for pages >> with higher order is deferred. Page allocation flags are fixed in this patch. >> Future work might allow the user to specify allocation flags. >> >> This patch is a heavily modified version of code available in the rust tree [1], >> primarily adding support for multiple page mapping strategies. > > This also seems misaligned with the direction of Linux development. > Folios are the future, pages are legacy. Please, ask about what's > going on before wasting time on the past. I see, thanks for the heads up! In this case I wanted to do an apples-apples comparison to the C null_blk driver. Since that is using kmap I wanted to have that. But let's bind to the folio_* APIs in the future, that would make sense. Best regards Andreas
