Lines Matching refs:vma
100 struct vm_area_struct *vma; in kobjsize() local
102 vma = find_vma(current->mm, (unsigned long)objp); in kobjsize()
103 if (vma) in kobjsize()
104 return vma->vm_end - vma->vm_start; in kobjsize()
124 int follow_pfn(struct vm_area_struct *vma, unsigned long address, in follow_pfn() argument
127 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_pfn()
164 struct vm_area_struct *vma; in vmalloc_user() local
167 vma = find_vma(current->mm, (unsigned long)ret); in vmalloc_user()
168 if (vma) in vmalloc_user()
169 vma->vm_flags |= VM_USERMAP; in vmalloc_user()
382 int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, in vm_insert_page() argument
389 int vm_map_pages(struct vm_area_struct *vma, struct page **pages, in vm_map_pages() argument
396 int vm_map_pages_zero(struct vm_area_struct *vma, struct page **pages, in vm_map_pages_zero() argument
582 static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma) in add_vma_to_mm() argument
588 BUG_ON(!vma->vm_region); in add_vma_to_mm()
591 vma->vm_mm = mm; in add_vma_to_mm()
594 if (vma->vm_file) { in add_vma_to_mm()
595 mapping = vma->vm_file->f_mapping; in add_vma_to_mm()
599 vma_interval_tree_insert(vma, &mapping->i_mmap); in add_vma_to_mm()
613 if (vma->vm_start < pvma->vm_start) in add_vma_to_mm()
615 else if (vma->vm_start > pvma->vm_start) { in add_vma_to_mm()
618 } else if (vma->vm_end < pvma->vm_end) in add_vma_to_mm()
620 else if (vma->vm_end > pvma->vm_end) { in add_vma_to_mm()
623 } else if (vma < pvma) in add_vma_to_mm()
625 else if (vma > pvma) { in add_vma_to_mm()
632 rb_link_node(&vma->vm_rb, parent, p); in add_vma_to_mm()
633 rb_insert_color(&vma->vm_rb, &mm->mm_rb); in add_vma_to_mm()
640 __vma_link_list(mm, vma, prev, parent); in add_vma_to_mm()
646 static void delete_vma_from_mm(struct vm_area_struct *vma) in delete_vma_from_mm() argument
650 struct mm_struct *mm = vma->vm_mm; in delete_vma_from_mm()
656 if (curr->vmacache.vmas[i] == vma) { in delete_vma_from_mm()
663 if (vma->vm_file) { in delete_vma_from_mm()
664 mapping = vma->vm_file->f_mapping; in delete_vma_from_mm()
668 vma_interval_tree_remove(vma, &mapping->i_mmap); in delete_vma_from_mm()
674 rb_erase(&vma->vm_rb, &mm->mm_rb); in delete_vma_from_mm()
676 if (vma->vm_prev) in delete_vma_from_mm()
677 vma->vm_prev->vm_next = vma->vm_next; in delete_vma_from_mm()
679 mm->mmap = vma->vm_next; in delete_vma_from_mm()
681 if (vma->vm_next) in delete_vma_from_mm()
682 vma->vm_next->vm_prev = vma->vm_prev; in delete_vma_from_mm()
688 static void delete_vma(struct mm_struct *mm, struct vm_area_struct *vma) in delete_vma() argument
690 if (vma->vm_ops && vma->vm_ops->close) in delete_vma()
691 vma->vm_ops->close(vma); in delete_vma()
692 if (vma->vm_file) in delete_vma()
693 fput(vma->vm_file); in delete_vma()
694 put_nommu_region(vma->vm_region); in delete_vma()
695 vm_area_free(vma); in delete_vma()
704 struct vm_area_struct *vma; in find_vma() local
707 vma = vmacache_find(mm, addr); in find_vma()
708 if (likely(vma)) in find_vma()
709 return vma; in find_vma()
713 for (vma = mm->mmap; vma; vma = vma->vm_next) { in find_vma()
714 if (vma->vm_start > addr) in find_vma()
716 if (vma->vm_end > addr) { in find_vma()
717 vmacache_update(addr, vma); in find_vma()
718 return vma; in find_vma()
739 int expand_stack(struct vm_area_struct *vma, unsigned long address) in expand_stack() argument
752 struct vm_area_struct *vma; in find_vma_exact() local
756 vma = vmacache_find_exact(mm, addr, end); in find_vma_exact()
757 if (vma) in find_vma_exact()
758 return vma; in find_vma_exact()
762 for (vma = mm->mmap; vma; vma = vma->vm_next) { in find_vma_exact()
763 if (vma->vm_start < addr) in find_vma_exact()
765 if (vma->vm_start > addr) in find_vma_exact()
767 if (vma->vm_end == end) { in find_vma_exact()
768 vmacache_update(addr, vma); in find_vma_exact()
769 return vma; in find_vma_exact()
979 static int do_mmap_shared_file(struct vm_area_struct *vma) in do_mmap_shared_file() argument
983 ret = call_mmap(vma->vm_file, vma); in do_mmap_shared_file()
985 vma->vm_region->vm_top = vma->vm_region->vm_end; in do_mmap_shared_file()
1000 static int do_mmap_private(struct vm_area_struct *vma, in do_mmap_private() argument
1014 ret = call_mmap(vma->vm_file, vma); in do_mmap_private()
1017 BUG_ON(!(vma->vm_flags & VM_MAYSHARE)); in do_mmap_private()
1018 vma->vm_region->vm_top = vma->vm_region->vm_end; in do_mmap_private()
1048 region->vm_flags = vma->vm_flags |= VM_MAPPED_COPY; in do_mmap_private()
1053 vma->vm_start = region->vm_start; in do_mmap_private()
1054 vma->vm_end = region->vm_start + len; in do_mmap_private()
1056 if (vma->vm_file) { in do_mmap_private()
1060 fpos = vma->vm_pgoff; in do_mmap_private()
1063 ret = kernel_read(vma->vm_file, base, len, &fpos); in do_mmap_private()
1072 vma_set_anonymous(vma); in do_mmap_private()
1079 region->vm_start = vma->vm_start = 0; in do_mmap_private()
1080 region->vm_end = vma->vm_end = 0; in do_mmap_private()
1104 struct vm_area_struct *vma; in do_mmap() local
1132 vma = vm_area_alloc(current->mm); in do_mmap()
1133 if (!vma) in do_mmap()
1140 vma->vm_flags = vm_flags; in do_mmap()
1141 vma->vm_pgoff = pgoff; in do_mmap()
1145 vma->vm_file = get_file(file); in do_mmap()
1197 vma->vm_region = pregion; in do_mmap()
1200 vma->vm_start = start; in do_mmap()
1201 vma->vm_end = start + len; in do_mmap()
1204 vma->vm_flags |= VM_MAPPED_COPY; in do_mmap()
1206 ret = do_mmap_shared_file(vma); in do_mmap()
1208 vma->vm_region = NULL; in do_mmap()
1209 vma->vm_start = 0; in do_mmap()
1210 vma->vm_end = 0; in do_mmap()
1244 vma->vm_start = region->vm_start = addr; in do_mmap()
1245 vma->vm_end = region->vm_end = addr + len; in do_mmap()
1250 vma->vm_region = region; in do_mmap()
1255 if (file && vma->vm_flags & VM_SHARED) in do_mmap()
1256 ret = do_mmap_shared_file(vma); in do_mmap()
1258 ret = do_mmap_private(vma, region, len, capabilities); in do_mmap()
1264 if (!vma->vm_file && in do_mmap()
1271 result = vma->vm_start; in do_mmap()
1276 add_vma_to_mm(current->mm, vma); in do_mmap()
1280 if (vma->vm_flags & VM_EXEC && !region->vm_icache_flushed) { in do_mmap()
1295 if (vma->vm_file) in do_mmap()
1296 fput(vma->vm_file); in do_mmap()
1297 vm_area_free(vma); in do_mmap()
1379 int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, in split_vma() argument
1388 if (vma->vm_file) in split_vma()
1398 new = vm_area_dup(vma); in split_vma()
1405 *region = *vma->vm_region; in split_vma()
1408 npages = (addr - vma->vm_start) >> PAGE_SHIFT; in split_vma()
1420 delete_vma_from_mm(vma); in split_vma()
1422 delete_nommu_region(vma->vm_region); in split_vma()
1424 vma->vm_region->vm_start = vma->vm_start = addr; in split_vma()
1425 vma->vm_region->vm_pgoff = vma->vm_pgoff += npages; in split_vma()
1427 vma->vm_region->vm_end = vma->vm_end = addr; in split_vma()
1428 vma->vm_region->vm_top = addr; in split_vma()
1430 add_nommu_region(vma->vm_region); in split_vma()
1433 add_vma_to_mm(mm, vma); in split_vma()
1443 struct vm_area_struct *vma, in shrink_vma() argument
1450 delete_vma_from_mm(vma); in shrink_vma()
1451 if (from > vma->vm_start) in shrink_vma()
1452 vma->vm_end = from; in shrink_vma()
1454 vma->vm_start = to; in shrink_vma()
1455 add_vma_to_mm(mm, vma); in shrink_vma()
1458 region = vma->vm_region; in shrink_vma()
1483 struct vm_area_struct *vma; in do_munmap() local
1494 vma = find_vma(mm, start); in do_munmap()
1495 if (!vma) { in do_munmap()
1507 if (vma->vm_file) { in do_munmap()
1509 if (start > vma->vm_start) in do_munmap()
1511 if (end == vma->vm_end) in do_munmap()
1513 vma = vma->vm_next; in do_munmap()
1514 } while (vma); in do_munmap()
1518 if (start == vma->vm_start && end == vma->vm_end) in do_munmap()
1520 if (start < vma->vm_start || end > vma->vm_end) in do_munmap()
1524 if (end != vma->vm_end && offset_in_page(end)) in do_munmap()
1526 if (start != vma->vm_start && end != vma->vm_end) { in do_munmap()
1527 ret = split_vma(mm, vma, start, 1); in do_munmap()
1531 return shrink_vma(mm, vma, start, end); in do_munmap()
1535 delete_vma_from_mm(vma); in do_munmap()
1536 delete_vma(mm, vma); in do_munmap()
1563 struct vm_area_struct *vma; in exit_mmap() local
1570 while ((vma = mm->mmap)) { in exit_mmap()
1571 mm->mmap = vma->vm_next; in exit_mmap()
1572 delete_vma_from_mm(vma); in exit_mmap()
1573 delete_vma(mm, vma); in exit_mmap()
1597 struct vm_area_struct *vma; in do_mremap() local
1611 vma = find_vma_exact(current->mm, addr, old_len); in do_mremap()
1612 if (!vma) in do_mremap()
1615 if (vma->vm_end != vma->vm_start + old_len) in do_mremap()
1618 if (vma->vm_flags & VM_MAYSHARE) in do_mremap()
1621 if (new_len > vma->vm_region->vm_end - vma->vm_region->vm_start) in do_mremap()
1625 vma->vm_end = vma->vm_start + new_len; in do_mremap()
1626 return vma->vm_start; in do_mremap()
1641 struct page *follow_page(struct vm_area_struct *vma, unsigned long address, in follow_page() argument
1647 int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, in remap_pfn_range() argument
1653 vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP; in remap_pfn_range()
1658 int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len) in vm_iomap_memory() argument
1661 unsigned long vm_len = vma->vm_end - vma->vm_start; in vm_iomap_memory()
1663 pfn += vma->vm_pgoff; in vm_iomap_memory()
1664 return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot); in vm_iomap_memory()
1668 int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, in remap_vmalloc_range() argument
1671 unsigned int size = vma->vm_end - vma->vm_start; in remap_vmalloc_range()
1673 if (!(vma->vm_flags & VM_USERMAP)) in remap_vmalloc_range()
1676 vma->vm_start = (unsigned long)(addr + (pgoff << PAGE_SHIFT)); in remap_vmalloc_range()
1677 vma->vm_end = vma->vm_start + size; in remap_vmalloc_range()
1706 struct vm_area_struct *vma; in __access_remote_vm() local
1713 vma = find_vma(mm, addr); in __access_remote_vm()
1714 if (vma) { in __access_remote_vm()
1716 if (addr + len >= vma->vm_end) in __access_remote_vm()
1717 len = vma->vm_end - addr; in __access_remote_vm()
1720 if (write && vma->vm_flags & VM_MAYWRITE) in __access_remote_vm()
1721 copy_to_user_page(vma, NULL, addr, in __access_remote_vm()
1723 else if (!write && vma->vm_flags & VM_MAYREAD) in __access_remote_vm()
1724 copy_from_user_page(vma, NULL, addr, in __access_remote_vm()
1790 struct vm_area_struct *vma; in nommu_shrink_inode_mappings() local
1802 vma_interval_tree_foreach(vma, &inode->i_mapping->i_mmap, low, high) { in nommu_shrink_inode_mappings()
1805 if (vma->vm_flags & VM_SHARED) { in nommu_shrink_inode_mappings()
1818 vma_interval_tree_foreach(vma, &inode->i_mapping->i_mmap, 0, ULONG_MAX) { in nommu_shrink_inode_mappings()
1819 if (!(vma->vm_flags & VM_SHARED)) in nommu_shrink_inode_mappings()
1822 region = vma->vm_region; in nommu_shrink_inode_mappings()