+ mm-page_vma_mappedc-use-helper-function-huge_pte_lock.patch added to mm-unstable branch

+ mm-page_vma_mappedc-use-helper-function-huge_pte_lock.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/page_vma_mapped.c: use helper function huge_pte_lock
has been added to the -mm mm-unstable branch.  Its filename is
     mm-page_vma_mappedc-use-helper-function-huge_pte_lock.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_vma_mappedc-use-helper-function-huge_pte_lock.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm/page_vma_mapped.c: use helper function huge_pte_lock
Date: Sat, 9 Jul 2022 17:24:40 +0800

Use helper function huge_pte_lock() to lock the huge pte to simplify the
code a bit.  No functional change intended.

Link: https://lkml.kernel.org/r/20220709092440.43018-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_vma_mapped.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/mm/page_vma_mapped.c~mm-page_vma_mappedc-use-helper-function-huge_pte_lock
+++ a/mm/page_vma_mapped.c
@@ -174,8 +174,7 @@ bool page_vma_mapped_walk(struct page_vm
 		if (!pvmw->pte)
 			return false;
 
-		pvmw->ptl = huge_pte_lockptr(hstate, mm, pvmw->pte);
-		spin_lock(pvmw->ptl);
+		pvmw->ptl = huge_pte_lock(hstate, mm, pvmw->pte);
 		if (!check_pte(pvmw))
 			return not_found(pvmw);
 		return true;
_

Patches currently in -mm which might be from linmiaohe@huawei.com are

hugetlb-fix-memoryleak-in-hugetlb_mcopy_atomic_pte.patch
mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch
mm-mmapc-fix-missing-call-to-vm_unacct_memory-in-mmap_region.patch
filemap-minor-cleanup-for-filemap_write_and_wait_range.patch
mm-huge_memory-use-flush_pmd_tlb_range-in-move_huge_pmd.patch
mm-huge_memory-access-vm_page_prot-with-read_once-in-remove_migration_pmd.patch
mm-huge_memory-fix-comment-of-__pud_trans_huge_lock.patch
mm-huge_memory-use-helper-touch_pud-in-huge_pud_set_accessed.patch
mm-huge_memory-use-helper-touch_pmd-in-huge_pmd_set_accessed.patch
mm-huge_memory-rename-mmun_start-to-haddr-in-remove_migration_pmd.patch
mm-huge_memory-use-helper-function-vma_lookup-in-split_huge_pages_pid.patch
mm-huge_memory-use-helper-macro-__attr_rw.patch
mm-huge_memory-fix-comment-in-zap_huge_pud.patch
mm-huge_memory-check-pmd_present-first-in-is_huge_zero_pmd.patch
mm-huge_memory-try-to-free-subpage-in-swapcache-when-possible.patch
mm-huge_memory-minor-cleanup-for-split_huge_pages_all.patch
mm-huge_memory-fix-comment-of-page_deferred_list.patch
mm-huge_memory-correct-comment-of-prep_transhuge_page.patch
mm-huge_memory-comment-the-subtly-logic-in-__split_huge_pmd.patch
mm-huge_memory-use-helper-macro-is_err_or_null-in-split_huge_pages_pid.patch
mm-page_vma_mappedc-use-helper-function-huge_pte_lock.patch
mm-mmap-fix-obsolete-comment-of-find_extend_vma.patch