+ mm-huge_memory-convert-do_huge_pmd_anonymous_page-to-use-vma_alloc_folio.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm/huge_memory: convert do_huge_pmd_anonymous_page() to use  vma_alloc_folio()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-huge_memory-convert-do_huge_pmd_anonymous_page-to-use-vma_alloc_folio.patch

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

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm/huge_memory: convert do_huge_pmd_anonymous_page() to use  vma_alloc_folio()

Remove the use of this old API, eliminating a call to
prep_transhuge_page().

Link: https://lkml.kernel.org/r/20220504182857.4013401-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/huge_memory.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

--- a/mm/huge_memory.c~mm-huge_memory-convert-do_huge_pmd_anonymous_page-to-use-vma_alloc_folio
+++ a/mm/huge_memory.c
@@ -726,7 +726,7 @@ vm_fault_t do_huge_pmd_anonymous_page(st
 {
 	struct vm_area_struct *vma = vmf->vma;
 	gfp_t gfp;
-	struct page *page;
+	struct folio *folio;
 	unsigned long haddr = vmf->address & HPAGE_PMD_MASK;
 
 	if (!transhuge_vma_suitable(vma, haddr))
@@ -775,13 +775,12 @@ vm_fault_t do_huge_pmd_anonymous_page(st
 		return ret;
 	}
 	gfp = vma_thp_gfp_mask(vma);
-	page = alloc_hugepage_vma(gfp, vma, haddr, HPAGE_PMD_ORDER);
-	if (unlikely(!page)) {
+	folio = vma_alloc_folio(gfp, HPAGE_PMD_ORDER, vma, haddr, true);
+	if (unlikely(!folio)) {
 		count_vm_event(THP_FAULT_FALLBACK);
 		return VM_FAULT_FALLBACK;
 	}
-	prep_transhuge_page(page);
-	return __do_huge_pmd_anonymous_page(vmf, page, gfp);
+	return __do_huge_pmd_anonymous_page(vmf, &folio->page, gfp);
 }
 
 static void insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
_

Patches currently in -mm which might be from willy@infradead.org are

shmem-convert-shmem_alloc_hugepage-to-use-vma_alloc_folio.patch
mm-huge_memory-convert-do_huge_pmd_anonymous_page-to-use-vma_alloc_folio.patch
alpha-fix-alloc_zeroed_user_highpage_movable.patch
mm-remove-alloc_pages_vma.patch
vmscan-use-folio_mapped-in-shrink_page_list.patch
vmscan-convert-the-writeback-handling-in-shrink_page_list-to-folios.patch
swap-turn-get_swap_page-into-folio_alloc_swap.patch
swap-convert-add_to_swap-to-take-a-folio.patch
vmscan-convert-dirty-page-handling-to-folios.patch
vmscan-convert-page-buffer-handling-to-use-folios.patch
vmscan-convert-lazy-freeing-to-folios.patch
vmscan-move-initialisation-of-mapping-down.patch
vmscan-convert-the-activate_locked-portion-of-shrink_page_list-to-folios.patch
mm-allow-can_split_folio-to-be-called-when-thp-are-disabled.patch
vmscan-remove-remaining-uses-of-page-in-shrink_page_list.patch
mm-shmem-use-a-folio-in-shmem_unused_huge_shrink.patch
mm-swap-add-folio_throttle_swaprate.patch
mm-shmem-convert-shmem_add_to_page_cache-to-take-a-folio.patch
mm-shmem-turn-shmem_should_replace_page-into-shmem_should_replace_folio.patch
mm-shmem-add-shmem_alloc_folio.patch
mm-shmem-convert-shmem_alloc_and_acct_page-to-use-a-folio.patch
mm-shmem-convert-shmem_getpage_gfp-to-use-a-folio.patch
mm-shmem-convert-shmem_swapin_page-to-shmem_swapin_folio.patch
mm-add-folio_mapping_flags.patch
mm-add-folio_test_movable.patch
mm-migrate-convert-move_to_new_page-into-move_to_new_folio.patch