mm: Remove return value of zap_vma_ptes()
All callers of zap_vma_ptes() are not interested in the return value of that function, so let's simplify its interface and drop the return value. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -379,7 +379,7 @@ enum page_entry_size {
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/*
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/*
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* These are the virtual MM functions - opening of an area, closing and
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* These are the virtual MM functions - opening of an area, closing and
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* unmapping it (needed to keep files on disk up-to-date etc), pointer
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* unmapping it (needed to keep files on disk up-to-date etc), pointer
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* to the functions called when a no-page or a wp-page exception occurs.
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* to the functions called when a no-page or a wp-page exception occurs.
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*/
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*/
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struct vm_operations_struct {
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struct vm_operations_struct {
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void (*open)(struct vm_area_struct * area);
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void (*open)(struct vm_area_struct * area);
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@ -1267,10 +1267,10 @@ struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
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struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
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struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
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pmd_t pmd);
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pmd_t pmd);
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int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
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void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
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unsigned long size);
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unsigned long size);
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void zap_page_range(struct vm_area_struct *vma, unsigned long address,
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void zap_page_range(struct vm_area_struct *vma, unsigned long address,
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unsigned long size);
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unsigned long size);
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void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
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void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
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unsigned long start, unsigned long end);
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unsigned long start, unsigned long end);
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@ -1660,16 +1660,15 @@ static void zap_page_range_single(struct vm_area_struct *vma, unsigned long addr
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*
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*
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* The entire address range must be fully contained within the vma.
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* The entire address range must be fully contained within the vma.
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*
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*
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* Returns 0 if successful.
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*/
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*/
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int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
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void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
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unsigned long size)
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unsigned long size)
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{
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{
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if (address < vma->vm_start || address + size > vma->vm_end ||
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if (address < vma->vm_start || address + size > vma->vm_end ||
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!(vma->vm_flags & VM_PFNMAP))
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!(vma->vm_flags & VM_PFNMAP))
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return -1;
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return;
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zap_page_range_single(vma, address, size, NULL);
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zap_page_range_single(vma, address, size, NULL);
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return 0;
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}
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}
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EXPORT_SYMBOL_GPL(zap_vma_ptes);
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EXPORT_SYMBOL_GPL(zap_vma_ptes);
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