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-rw-r--r--mm/vmalloc.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index d3a9c5368257..ddf87145cc49 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -68,12 +68,12 @@ static inline void vunmap_pud_range(pgd_t *pgd, unsigned long addr,
68 } while (pud++, addr = next, addr != end); 68 } while (pud++, addr = next, addr != end);
69} 69}
70 70
71void unmap_vm_area(struct vm_struct *area) 71void unmap_kernel_range(unsigned long addr, unsigned long size)
72{ 72{
73 pgd_t *pgd; 73 pgd_t *pgd;
74 unsigned long next; 74 unsigned long next;
75 unsigned long addr = (unsigned long) area->addr; 75 unsigned long start = addr;
76 unsigned long end = addr + area->size; 76 unsigned long end = addr + size;
77 77
78 BUG_ON(addr >= end); 78 BUG_ON(addr >= end);
79 pgd = pgd_offset_k(addr); 79 pgd = pgd_offset_k(addr);
@@ -84,7 +84,12 @@ void unmap_vm_area(struct vm_struct *area)
84 continue; 84 continue;
85 vunmap_pud_range(pgd, addr, next); 85 vunmap_pud_range(pgd, addr, next);
86 } while (pgd++, addr = next, addr != end); 86 } while (pgd++, addr = next, addr != end);
87 flush_tlb_kernel_range((unsigned long) area->addr, end); 87 flush_tlb_kernel_range(start, end);
88}
89
90static void unmap_vm_area(struct vm_struct *area)
91{
92 unmap_kernel_range((unsigned long)area->addr, area->size);
88} 93}
89 94
90static int vmap_pte_range(pmd_t *pmd, unsigned long addr, 95static int vmap_pte_range(pmd_t *pmd, unsigned long addr,