[PATCH] mm: Remove unused return value of set_huge_zero_page()

[Miaohe Lin]

The return value of set_huge_zero_page() is always ignored. So we should
drop such return value.

Signed-off-by: Miaohe Lin <linmia...@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)
-- 
2.19.1