The patch titled Subject: mm: pagewalk: don't check vma in walk_page_range_novma() has been added to the -mm mm-unstable branch. Its filename is mm-pagewalk-dont-check-vma-in-walk_page_range_novma.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-pagewalk-dont-check-vma-in-walk_page_range_novma.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Rolf Eike Beer <eb@xxxxxxxxx> Subject: mm: pagewalk: don't check vma in walk_page_range_novma() Date: Mon, 22 Aug 2022 15:00:47 +0200 Directly call walk_pgd_range() as that is everything that will actually happen in __walk_page_range() besides checking if the vma is set. Link: https://lkml.kernel.org/r/21585888.EfDdHjke4D@devpool047 Signed-off-by: Rolf Eike Beer <eb@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/pagewalk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/pagewalk.c~mm-pagewalk-dont-check-vma-in-walk_page_range_novma +++ a/mm/pagewalk.c @@ -517,7 +517,7 @@ int walk_page_range_novma(struct mm_stru mmap_assert_locked(walk.mm); - return __walk_page_range(start, end, &walk); + return walk_pgd_range(start, end, &walk); } int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops, _ Patches currently in -mm which might be from eb@xxxxxxxxx are mm-pagewalk-make-error-checks-more-obvious.patch mm-pagewalk-dont-check-vma-in-walk_page_range_novma.patch mm-pagewalk-fix-documentation-of-pte-hole-handling.patch mm-pagewalk-add-api-documentation-for-walk_page_range_novma.patch mm-pagewalk-allow-walk_page_range_novma-without-mm.patch mm-pagewalk-move-variables-to-more-local-scope-tweak-loops.patch