X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=mm%2Fnommu.c;h=45131b41bcdbaf4fdfd6c411a6d0aef526ed0883;hb=ae168d973f5fa3f3467dc5600f74a0f03e3cafe7;hp=dee2ff89fd5816ab36893a26154314c6add2dce5;hpb=f5a246eab9a268f51ba8189ea5b098a1bfff200e;p=~andy%2Flinux diff --git a/mm/nommu.c b/mm/nommu.c index dee2ff89fd5..45131b41bcd 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -698,7 +698,7 @@ static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma) mutex_lock(&mapping->i_mmap_mutex); flush_dcache_mmap_lock(mapping); - vma_prio_tree_insert(vma, &mapping->i_mmap); + vma_interval_tree_insert(vma, &mapping->i_mmap); flush_dcache_mmap_unlock(mapping); mutex_unlock(&mapping->i_mmap_mutex); } @@ -764,7 +764,7 @@ static void delete_vma_from_mm(struct vm_area_struct *vma) mutex_lock(&mapping->i_mmap_mutex); flush_dcache_mmap_lock(mapping); - vma_prio_tree_remove(vma, &mapping->i_mmap); + vma_interval_tree_remove(vma, &mapping->i_mmap); flush_dcache_mmap_unlock(mapping); mutex_unlock(&mapping->i_mmap_mutex); } @@ -789,11 +789,8 @@ static void delete_vma(struct mm_struct *mm, struct vm_area_struct *vma) kenter("%p", vma); if (vma->vm_ops && vma->vm_ops->close) vma->vm_ops->close(vma); - if (vma->vm_file) { + if (vma->vm_file) fput(vma->vm_file); - if (vma->vm_flags & VM_EXECUTABLE) - removed_exe_file_vma(mm); - } put_nommu_region(vma->vm_region); kmem_cache_free(vm_area_cachep, vma); } @@ -1284,10 +1281,6 @@ unsigned long do_mmap_pgoff(struct file *file, if (file) { region->vm_file = get_file(file); vma->vm_file = get_file(file); - if (vm_flags & VM_EXECUTABLE) { - added_exe_file_vma(current->mm); - vma->vm_mm = current->mm; - } } down_write(&nommu_region_sem); @@ -1440,8 +1433,6 @@ error: kmem_cache_free(vm_region_jar, region); if (vma->vm_file) fput(vma->vm_file); - if (vma->vm_flags & VM_EXECUTABLE) - removed_exe_file_vma(vma->vm_mm); kmem_cache_free(vm_area_cachep, vma); kleave(" = %d", ret); return ret; @@ -1820,7 +1811,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, if (addr != (pfn << PAGE_SHIFT)) return -EINVAL; - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; + vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP; return 0; } EXPORT_SYMBOL(remap_pfn_range); @@ -1961,6 +1952,14 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) } EXPORT_SYMBOL(filemap_fault); +int generic_file_remap_pages(struct vm_area_struct *vma, unsigned long addr, + unsigned long size, pgoff_t pgoff) +{ + BUG(); + return 0; +} +EXPORT_SYMBOL(generic_file_remap_pages); + static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, unsigned long addr, void *buf, int len, int write) { @@ -2045,7 +2044,6 @@ int nommu_shrink_inode_mappings(struct inode *inode, size_t size, size_t newsize) { struct vm_area_struct *vma; - struct prio_tree_iter iter; struct vm_region *region; pgoff_t low, high; size_t r_size, r_top; @@ -2057,8 +2055,7 @@ int nommu_shrink_inode_mappings(struct inode *inode, size_t size, mutex_lock(&inode->i_mapping->i_mmap_mutex); /* search for VMAs that fall within the dead zone */ - vma_prio_tree_foreach(vma, &iter, &inode->i_mapping->i_mmap, - low, high) { + vma_interval_tree_foreach(vma, &inode->i_mapping->i_mmap, low, high) { /* found one - only interested if it's shared out of the page * cache */ if (vma->vm_flags & VM_SHARED) { @@ -2074,8 +2071,8 @@ int nommu_shrink_inode_mappings(struct inode *inode, size_t size, * we don't check for any regions that start beyond the EOF as there * shouldn't be any */ - vma_prio_tree_foreach(vma, &iter, &inode->i_mapping->i_mmap, - 0, ULONG_MAX) { + vma_interval_tree_foreach(vma, &inode->i_mapping->i_mmap, + 0, ULONG_MAX) { if (!(vma->vm_flags & VM_SHARED)) continue;