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Commit 4ee815be authored by Yaowei Bai's avatar Yaowei Bai Committed by Linus Torvalds
Browse files

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: default avatarYaowei Bai <baiyaowei@cmss.chinamobile.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bb00a789

include/linux/mempolicy.h

+5 −5
Original line number Diff line number Diff line
@@ -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);