mm: use update_mmu_tlb_range() to simplify code

Let us simplify the code by update_mmu_tlb_range().

Link: https://lkml.kernel.org/r/20240522061204.117421-4-libang.li@antgroup.com
Signed-off-by: Bang Li <libang.li@antgroup.com>
Reviewed-by: Lance Yang <ioworker0@gmail.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/memory.c b/mm/memory.c
index d451b312594331d42ea8955b188feacfdaee5bed..edf2004fcdf97dd3b22d73f592e37abf81f65dcf 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4457,7 +4457,6 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
        vm_fault_t ret = 0;
        int nr_pages = 1;
        pte_t entry;
-       int i;
 
        /* File mapping without ->vm_ops ? */
        if (vma->vm_flags & VM_SHARED)
@@ -4527,8 +4526,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
                update_mmu_tlb(vma, addr, vmf->pte);
                goto release;
        } else if (nr_pages > 1 && !pte_range_none(vmf->pte, nr_pages)) {
-               for (i = 0; i < nr_pages; i++)
-                       update_mmu_tlb(vma, addr + PAGE_SIZE * i, vmf->pte + i);
+               update_mmu_tlb_range(vma, addr, vmf->pte, nr_pages);
                goto release;
        }