From: Yaowei Bai <baiyaowei@xxxxxxxxxxxxxxxxxxxx>
Subject: mm/mempolicy.c: vma_migratable() can return bool
Make vma_migratable() return bool due to this particular function only
using either one or zero as its return value.
Signed-off-by: Yaowei Bai <baiyaowei@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mempolicy.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN include/linux/mempolicy.h~mm-mempolicy-vma_migratable-can-be-boolean include/linux/mempolicy.h
--- a/include/linux/mempolicy.h~mm-mempolicy-vma_migratable-can-be-boolean
+++ a/include/linux/mempolicy.h
@@ -172,14 +172,14 @@ extern int mpol_parse_str(char *str, str
extern void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol);
/* Check if a vma is migratable */
-static inline int vma_migratable(struct vm_area_struct *vma)
+static inline bool vma_migratable(struct vm_area_struct *vma)
{
if (vma->vm_flags & (VM_IO | VM_PFNMAP))
- return 0;
+ return false;
#ifndef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
if (vma->vm_flags & VM_HUGETLB)
- return 0;
+ return false;
#endif
/*
@@ -190,8 +190,8 @@ static inline int vma_migratable(struct
if (vma->vm_file &&
gfp_zone(mapping_gfp_mask(vma->vm_file->f_mapping))
< policy_zone)
- return 0;
- return 1;
+ return false;
+ return true;
}
extern int mpol_misplaced(struct page *, struct vm_area_struct *, unsigned long);
_
--
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