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@xxxxxxxxxxxxx>
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/20220429192329.3034378-3-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxxxxx 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
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
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-turn-shmem_alloc_page-into-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
vmcore-convert-copy_oldmem_page-to-take-an-iov_iter.patch
vmcore-convert-__read_vmcore-to-use-an-iov_iter.patch
vmcore-convert-read_from_oldmem-to-take-an-iov_iter.patch
