[PATCH] mm:Make the function zap_huge_pmd bool

[Nicholas Krause <xerofoify@gmail.com>]

This makes the function zap_huge_pmd have a return type of bool
now due to this particular function always returning one or zero
as its return value.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
---
 include/linux/huge_mm.h | 2 +-
 mm/huge_memory.c        | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index f10b20f..e83174e 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -19,7 +19,7 @@ extern struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
 					  unsigned long addr,
 					  pmd_t *pmd,
 					  unsigned int flags);
-extern int zap_huge_pmd(struct mmu_gather *tlb,
+extern bool zap_huge_pmd(struct mmu_gather *tlb,
 			struct vm_area_struct *vma,
 			pmd_t *pmd, unsigned long addr);
 extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c107094..32b1993 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1384,11 +1384,11 @@ out:
 	return 0;
 }
 
-int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
+bool zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
 		 pmd_t *pmd, unsigned long addr)
 {
 	spinlock_t *ptl;
-	int ret = 0;
+	int ret = false;
 
 	if (__pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
 		struct page *page;
@@ -1419,7 +1419,7 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
 			tlb_remove_page(tlb, page);
 		}
 		pte_free(tlb->mm, pgtable);
-		ret = 1;
+		ret = true;
 	}
 	return ret;
 }
-- 
2.1.4

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