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thp: change insert_pfn's return type to void

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It would make more sense to have all the return values from
vmf_insert_pfn_pmd() encoded in one place instead of having to follow
the convention into insert_pfn().  Suggested by Jeff Moyer.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox 2015-09-08 14:59:14 -07:00 committed by Linus Torvalds
parent e676a4c191
commit ae18d6dcf5
1 changed files with 3 additions and 3 deletions
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6
mm/huge_memory.c
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@ -869,7 +869,7 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
flags);
}
static int insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
static void insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
pmd_t *pmd, unsigned long pfn, pgprot_t prot, bool write)
{
struct mm_struct *mm = vma->vm_mm;
@ -887,7 +887,6 @@ static int insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
update_mmu_cache_pmd(vma, addr, pmd);
}
spin_unlock(ptl);
return VM_FAULT_NOPAGE;
}
int vmf_insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
@ -909,7 +908,8 @@ int vmf_insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
return VM_FAULT_SIGBUS;
if (track_pfn_insert(vma, &pgprot, pfn))
return VM_FAULT_SIGBUS;
return insert_pfn_pmd(vma, addr, pmd, pfn, pgprot, write);
insert_pfn_pmd(vma, addr, pmd, pfn, pgprot, write);
return VM_FAULT_NOPAGE;
}
int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,