summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorYaowei Bai <baiyaowei@cmss.chinamobile.com>2016-05-20 03:11:32 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 05:12:14 +0300
commit4ee815be1d34a6f254b3d09bdebcb27f294f2bd3 (patch)
treec38963173535d5d2a6d36b5a316fb95b61083f32
parentbb00a789e565b96c52b2224c2280f7ac83175bec (diff)
downloadlinux-4ee815be1d34a6f254b3d09bdebcb27f294f2bd3.tar.xz
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@cmss.chinamobile.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/mempolicy.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 2696c1f05ed1..6978a99e571f 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -172,14 +172,14 @@ extern int mpol_parse_str(char *str, struct mempolicy **mpol);
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 vm_area_struct *vma)
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);