diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/mm/memory.c b/mm/memory.c index dd80fbf6473a..3dc4664c9af7 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2233,17 +2233,15 @@ void zap_vma_range(struct vm_area_struct *vma, unsigned long address, } /** - * zap_vma_ptes - remove ptes mapping the vma - * @vma: vm_area_struct holding ptes to be zapped - * @address: starting address of pages to zap + * zap_special_vma_range - zap all page table entries in a special vma range + * @vma: the vma covering the range to zap + * @address: starting address of the range to zap * @size: number of bytes to zap * - * This function only unmaps ptes assigned to VM_PFNMAP vmas. - * - * The entire address range must be fully contained within the vma. - * + * This function does nothing when the provided address range is not fully + * contained in @vma, or when the @vma is not VM_PFNMAP. */ -void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, +void zap_special_vma_range(struct vm_area_struct *vma, unsigned long address, unsigned long size) { if (!range_in_vma(vma, address, address + size) || @@ -2252,7 +2250,7 @@ void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, zap_vma_range(vma, address, size); } -EXPORT_SYMBOL_GPL(zap_vma_ptes); +EXPORT_SYMBOL_GPL(zap_special_vma_range); static pmd_t *walk_to_pmd(struct mm_struct *mm, unsigned long addr) { |