To allow using larger TLB entries, it's better to mark the PTEs of same folio accessed when setup the PTEs. Reported-by: Ryan Roberts <ryan.roberts@xxxxxxx> Signed-off-by: Yin Fengwei <fengwei.yin@xxxxxxxxx> --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index c359fb8643e5..2615ea552613 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4259,7 +4259,7 @@ void set_pte_range(struct vm_fault *vmf, struct folio *folio, struct vm_area_struct *vma = vmf->vma; bool uffd_wp = pte_marker_uffd_wp(vmf->orig_pte); bool write = vmf->flags & FAULT_FLAG_WRITE; - bool prefault = vmf->address != addr; + bool prefault = (addr > vmf->address) || ((addr + nr) < vmf->address); pte_t entry; flush_icache_pages(vma, page, nr); -- 2.30.2
