mm, thp: remove unnecessary ret variable

The "ret" variable is unnecessary in __do_huge_pmd_anonymous_page(), so
remove it.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f0e5306eeb55e8e179da3abbe6c033045b6ad073..8ab2d24faae5ad4abae79b825b3563f221a9ca78 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -636,7 +636,6 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
                                        unsigned long haddr, pmd_t *pmd,
                                        struct page *page)
 {
-       int ret = 0;
        pgtable_t pgtable;
 
        VM_BUG_ON(!PageCompound(page));
@@ -675,7 +674,7 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
                spin_unlock(&mm->page_table_lock);
        }
 
-       return ret;
+       return 0;
 }
 
 static inline gfp_t alloc_hugepage_gfpmask(int defrag, gfp_t extra_gfp)