From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> There will be redundant clear page within vma_alloc_zeroed_movable_folio when CONFIG_INIT_ON_ALLOC_DEFAULT_ON is on. Remove it by judging related configs. Signed-off-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> --- include/linux/highmem.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 99c474de800d..3926f8414729 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -227,7 +227,7 @@ struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma, struct folio *folio; folio = vma_alloc_folio(GFP_HIGHUSER_MOVABLE, 0, vma, vaddr, false); - if (folio) + if (folio && !want_init_on_alloc(GFP_HIGHUSER_MOVABLE)) clear_user_highpage(&folio->page, vaddr); return folio; -- 2.25.1
