On Mon, Aug 21, 2023 at 04:29:36PM -0400, Zi Yan wrote: > On 21 Aug 2023, at 14:33, Johannes Weiner wrote: > > > Save a pfn_to_page() lookup when the pfn is right there already. > > > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> > > --- > > mm/page_alloc.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > Just notice that it is already done in: > https://lkml.kernel.org/r/20230811115945.3423894-3-shikemeng@xxxxxxxxxxxxxxx Even better :) I'll rebase on top of this.