diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 7b299240d5f3..8e78cac955d1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -58,6 +58,7 @@ extern int sysctl_legacy_va_layout; * space that has a special rule for the page-fault handlers (ie a shared * library, the executable area etc). */ +#ifdef CONFIG_MMU struct vm_area_struct { struct mm_struct * vm_mm; /* The address space we belong to. */ unsigned long vm_start; /* Our start address within vm_mm. */ @@ -111,6 +112,31 @@ struct vm_area_struct { #endif }; +#else + +struct vm_area_struct { + struct list_head vm_link; /* system object list */ + atomic_t vm_usage; /* count of refs */ + unsigned long vm_start; + unsigned long vm_end; + pgprot_t vm_page_prot; /* access permissions of this VMA */ + unsigned long vm_flags; + unsigned long vm_pgoff; + struct file *vm_file; /* file or device mapped */ +}; + +struct mm_tblock_struct { + struct mm_tblock_struct *next; + struct vm_area_struct *vma; +}; + +extern struct list_head nommu_vma_list; +extern struct rw_semaphore nommu_vma_sem; + +extern unsigned int kobjsize(const void *objp); + +#endif + /* * vm_flags.. */ @@ -603,6 +629,10 @@ int FASTCALL(set_page_dirty(struct page *page)); int set_page_dirty_lock(struct page *page); int clear_page_dirty_for_io(struct page *page); +extern unsigned long do_mremap(unsigned long addr, + unsigned long old_len, unsigned long new_len, + unsigned long flags, unsigned long new_addr); + /* * Prototype to add a shrinker callback for ageable caches. * |