On Wed, Aug 10, 2022 at 10:06:33PM -0700, Hugh Dickins wrote: > Elsewhere, NR_SHMEM is updated at the same time as shmem NR_FILE_PAGES; > but shmem_replace_page() was forgetting to do that - so NR_SHMEM stats > could grow too big or too small, in those unusual cases when it's used. > > Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > --- > This is not terribly important, and will clash with one of Matthew's > 59 for 5.21; I don't mind if this gets delayed, and we just do it again > on top of his series later, or he fold the equivalent into his series; > but thought I'd better send it in as another fix to shmem_replace_page() > while that function is on our minds. Let's get this into 6.0 since it's a bugfix, and I'll rebase my patches for 6.1 on top of it.