diff options
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index aab00ddee686..49ca687d8853 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -273,8 +273,8 @@ int map_kernel_range_noflush(unsigned long addr, unsigned long size, return 0; } -static int map_kernel_range(unsigned long start, unsigned long size, - pgprot_t prot, struct page **pages) +int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot, + struct page **pages) { int ret; @@ -2028,16 +2028,6 @@ void unmap_kernel_range(unsigned long addr, unsigned long size) flush_tlb_kernel_range(addr, end); } -int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page **pages) -{ - unsigned long addr = (unsigned long)area->addr; - int err; - - err = map_kernel_range(addr, get_vm_area_size(area), prot, pages); - - return err > 0 ? 0 : err; -} - static inline void setup_vmalloc_vm_locked(struct vm_struct *vm, struct vmap_area *va, unsigned long flags, const void *caller) { @@ -2409,7 +2399,8 @@ void *vmap(struct page **pages, unsigned int count, if (!area) return NULL; - if (map_vm_area(area, prot, pages)) { + if (map_kernel_range((unsigned long)area->addr, size, prot, + pages) < 0) { vunmap(area->addr); return NULL; } @@ -2472,8 +2463,10 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, } atomic_long_add(area->nr_pages, &nr_vmalloc_pages); - if (map_vm_area(area, prot, pages)) + if (map_kernel_range((unsigned long)area->addr, get_vm_area_size(area), + prot, pages) < 0) goto fail; + return area->addr; fail: |