diff options
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 3613517c759..ef4045d010d 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -10,7 +10,7 @@ * Copyright (c) 2000-2003 David McCullough <davidm@snapgear.com> * Copyright (c) 2000-2001 D Jeff Dionne <jeff@uClinux.org> * Copyright (c) 2002 Greg Ungerer <gerg@snapgear.com> - * Copyright (c) 2007-2009 Paul Mundt <lethal@linux-sh.org> + * Copyright (c) 2007-2010 Paul Mundt <lethal@linux-sh.org> */ #include <linux/module.h> @@ -328,6 +328,7 @@ void *vmalloc_node(unsigned long size, int node) { return vmalloc(size); } +EXPORT_SYMBOL(vmalloc_node); /** * vzalloc_node - allocate memory on a specific node with zero fill @@ -440,6 +441,31 @@ void __attribute__((weak)) vmalloc_sync_all(void) { } +/** + * alloc_vm_area - allocate a range of kernel address space + * @size: size of the area + * + * Returns: NULL on failure, vm_struct on success + * + * This function reserves a range of kernel address space, and + * allocates pagetables to map that range. No actual mappings + * are created. If the kernel address space is not shared + * between processes, it syncs the pagetable across all + * processes. + */ +struct vm_struct *alloc_vm_area(size_t size) +{ + BUG(); + return NULL; +} +EXPORT_SYMBOL_GPL(alloc_vm_area); + +void free_vm_area(struct vm_struct *area) +{ + BUG(); +} +EXPORT_SYMBOL_GPL(free_vm_area); + int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, struct page *page) { @@ -1717,6 +1743,7 @@ void exit_mmap(struct mm_struct *mm) mm->mmap = vma->vm_next; delete_vma_from_mm(vma); delete_vma(mm, vma); + cond_resched(); } kleave(""); |