On Fri, 28 Jul 2017 10:31:43 -0700 Matthew Wilcox <wi...@infradead.org> wrote:
> On Fri, Jul 28, 2017 at 10:56:01AM -0600, Ross Zwisler wrote: > > Dan Williams and Christoph Hellwig have recently expressed doubt about > > whether the rw_page() interface made sense for synchronous memory drivers > > [1][2]. It's unclear whether this interface has any performance benefit > > for these drivers, but as we continue to fix bugs it is clear that it does > > have a maintenance burden. This series removes the rw_page() > > implementations in brd, pmem and btt to relieve this burden. > > Why don't you measure whether it has performance benefits? I don't > understand why zram would see performance benefits and not other drivers. > If it's going to be removed, then the whole interface should be removed, > not just have the implementations removed from some drivers. Yes please. Minchan, could you please take a look sometime?
