diff options
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 75f49d312e8..7774c632897 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1012,6 +1012,8 @@ void __init vmalloc_init(void) void unmap_kernel_range(unsigned long addr, unsigned long size) { unsigned long end = addr + size; + + flush_cache_vunmap(addr, end); vunmap_page_range(addr, end); flush_tlb_kernel_range(addr, end); } @@ -1106,6 +1108,14 @@ struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags, } EXPORT_SYMBOL_GPL(__get_vm_area); +struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags, + unsigned long start, unsigned long end, + void *caller) +{ + return __get_vm_area_node(size, flags, start, end, -1, GFP_KERNEL, + caller); +} + /** * get_vm_area - reserve a contiguous kernel virtual area * @size: size of the area @@ -1249,6 +1259,7 @@ EXPORT_SYMBOL(vfree); void vunmap(const void *addr) { BUG_ON(in_interrupt()); + might_sleep(); __vunmap(addr, 0); } EXPORT_SYMBOL(vunmap); @@ -1268,6 +1279,8 @@ void *vmap(struct page **pages, unsigned int count, { struct vm_struct *area; + might_sleep(); + if (count > num_physpages) return NULL; |