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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,
} while (pud++, addr = next, addr != end);
}
-void unmap_vm_area(struct vm_struct *area)
+void unmap_kernel_range(unsigned long addr, unsigned long size)
{
pgd_t *pgd;
unsigned long next;
- unsigned long addr = (unsigned long) area->addr;
- unsigned long end = addr + area->size;
+ unsigned long start = addr;
+ unsigned long end = addr + size;
BUG_ON(addr >= end);
pgd = pgd_offset_k(addr);
@@ -84,7 +84,12 @@ void unmap_vm_area(struct vm_struct *area)
continue;
vunmap_pud_range(pgd, addr, next);
} while (pgd++, addr = next, addr != end);
- flush_tlb_kernel_range((unsigned long) area->addr, end);
+ flush_tlb_kernel_range(start, end);
+}
+
+static void unmap_vm_area(struct vm_struct *area)
+{
+ unmap_kernel_range((unsigned long)area->addr, area->size);
}
static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
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