[PATCH] mm: Remove unused return value of set_huge_zero_page()
From: Miaohe Lin <linmiaohe@huawei.com>
Date: 2021-02-03 08:49:36
Also in:
lkml
Subsystem:
memory management, memory management - thp (transparent huge page), the rest · Maintainers:
Andrew Morton, David Hildenbrand, Lorenzo Stoakes, Linus Torvalds
The return value of set_huge_zero_page() is always ignored. So we should drop such return value. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/huge_memory.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 987cf5e4cf90..360b689bd66a 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c@@ -691,20 +691,19 @@ gfp_t vma_thp_gfp_mask(struct vm_area_struct *vma) } /* 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)
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2.19.1