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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-15 07:41:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-15 07:41:27 +0200
commitc362495586e8a3a6487a318fcd82eaf15ffe2142 (patch)
tree86f7b195d36ba198f24f86be327f21a8d24ec248 /fs/hugetlbfs/inode.c
parenttty: serial: sccnxp: Fix bug with unterminated platform_id list (diff)
parentLinux 3.7-rc1 (diff)
downloadlinux-c362495586e8a3a6487a318fcd82eaf15ffe2142.tar.xz
linux-c362495586e8a3a6487a318fcd82eaf15ffe2142.zip
Merge 3.7-rc1 into tty-linus
This syncs up the tty-linus branch to the latest in Linus's tree to get all of the UAPI stuff needed for the next set of patches to merge. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 9460120a5170..c5bc355d8243 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -110,7 +110,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
* way when do_mmap_pgoff unwinds (may be important on powerpc
* and ia64).
*/
- vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
+ vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND | VM_DONTDUMP;
vma->vm_ops = &hugetlb_vm_ops;
if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT))
@@ -397,17 +397,16 @@ static void hugetlbfs_evict_inode(struct inode *inode)
}
static inline void
-hugetlb_vmtruncate_list(struct prio_tree_root *root, pgoff_t pgoff)
+hugetlb_vmtruncate_list(struct rb_root *root, pgoff_t pgoff)
{
struct vm_area_struct *vma;
- struct prio_tree_iter iter;
- vma_prio_tree_foreach(vma, &iter, root, pgoff, ULONG_MAX) {
+ vma_interval_tree_foreach(vma, root, pgoff, ULONG_MAX) {
unsigned long v_offset;
/*
* Can the expression below overflow on 32-bit arches?
- * No, because the prio_tree returns us only those vmas
+ * No, because the interval tree returns us only those vmas
* which overlap the truncated area starting at pgoff,
* and no vma on a 32-bit arch can span beyond the 4GB.
*/
@@ -432,7 +431,7 @@ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset)
i_size_write(inode, offset);
mutex_lock(&mapping->i_mmap_mutex);
- if (!prio_tree_empty(&mapping->i_mmap))
+ if (!RB_EMPTY_ROOT(&mapping->i_mmap))
hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff);
mutex_unlock(&mapping->i_mmap_mutex);
truncate_hugepages(inode, offset);