The patch titled
Subject: mm/huge_memory.c: remove unused return value of set_huge_zero_page()
has been added to the -mm tree. Its filename is
mm-remove-unused-return-value-of-set_huge_zero_page.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-remove-unused-return-value-of-set_huge_zero_page.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-unused-return-value-of-set_huge_zero_page.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/huge_memory.c: remove unused return value of set_huge_zero_page()
The return value of set_huge_zero_page() is always ignored. So we should
drop such return value.
Link: https://lkml.kernel.org/r/20210203084816.46307-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/mm/huge_memory.c~mm-remove-unused-return-value-of-set_huge_zero_page
+++ a/mm/huge_memory.c
@@ -691,20 +691,19 @@ static inline gfp_t alloc_hugepage_direc
}
/* Caller must hold page table lock. */
-static bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm,
+static void set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm,
struct vm_area_struct *vma, unsigned long haddr, pmd_t *pmd,
struct page *zero_page)
{
pmd_t entry;
if (!pmd_none(*pmd))
- return false;
+ return;
entry = mk_pmd(zero_page, vma->vm_page_prot);
entry = pmd_mkhuge(entry);
if (pgtable)
pgtable_trans_huge_deposit(mm, pmd, pgtable);
set_pmd_at(mm, haddr, pmd, entry);
mm_inc_nr_ptes(mm);
- return true;
}
vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf)
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-rmap-fix-potential-pte_unmap-on-an-not-mapped-pte.patch
mm-page_owner-use-helper-function-zone_end_pfn-to-get-end_pfn.patch
mm-fix-potential-pte_unmap_unlock-pte-error.patch
mm-simplify-the-vm_bug_on-condition-in-pmdp_huge_clear_flush.patch
mm-hugetlb-fix-potential-double-free-in-hugetlb_register_node-error-path.patch
mm-hugetlb-avoid-unnecessary-hugetlb_acct_memory-call.patch
mm-hugetlb-use-helper-huge_page_order-and-pages_per_huge_page.patch
mm-hugetlb-fix-use-after-free-when-subpool-max_hpages-accounting-is-not-enabled.patch
mm-hugetlb-fix-some-comment-typos.patch
mm-remove-unused-return-value-of-set_huge_zero_page.patch
mm-workingsetc-avoid-unnecessary-max_nodes-estimation-in-count_shadow_nodes.patch
z3fold-remove-unused-attribute-for-release_z3fold_page.patch
z3fold-simplify-the-zhdr-initialization-code-in-init_z3fold_page.patch
mm-compaction-remove-duplicated-vm_bug_on_page-pagelocked.patch
mm-mempolicy-use-helper-range_in_vma-in-queue_pages_test_walk.patch
hugetlbfs-remove-useless-bug_oninode-in-hugetlbfs_setattr.patch
hugetlbfs-use-helper-macro-default_hstate-in-init_hugetlbfs_fs.patch
hugetlbfs-correct-obsolete-function-name-in-hugetlbfs_read_iter.patch
hugetlbfs-remove-meaningless-variable-avoid_reserve.patch
hugetlbfs-make-hugepage-size-conversion-more-readable.patch
hugetlbfs-correct-some-obsolete-comments-about-inode-i_mutex.patch
hugetlbfs-fix-some-comment-typos.patch
mm-memory_hotplug-use-helper-function-zone_end_pfn-to-get-end_pfn.patch
mm-rmap-correct-some-obsolete-comments-of-anon_vma.patch
mm-rmap-remove-unneeded-semicolon-in-page_not_mapped.patch
mm-rmap-fix-obsolete-comment-in-__page_check_anon_rmap.patch
mm-rmap-use-page_not_mapped-in-try_to_unmap.patch
mm-rmap-correct-obsolete-comment-of-page_get_anon_vma.patch
mm-zsmallocc-convert-to-use-kmem_cache_zalloc-in-cache_alloc_zspage.patch
mm-zsmallocc-use-page_private-to-access-page-private.patch
