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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-02-10 14:09:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-10 14:30:31 -0800
commit27ba0644ea9dfe6e7693abc85837b60e40583b96 (patch)
treea1e04ba5026728711bde87cb2f336d2444ee6ffe /kernel
parent1da4b35b001481df99a6dcab12d5d39a876f7056 (diff)
downloadlinux-27ba0644ea9dfe6e7693abc85837b60e40583b96.tar.gz
rmap: drop support of non-linear mappings
We don't create non-linear mappings anymore.  Let's drop code which
handles them in rmap.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 4dc2ddade9f1..b379d9abddc7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -438,12 +438,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
 				atomic_inc(&mapping->i_mmap_writable);
 			flush_dcache_mmap_lock(mapping);
 			/* insert tmp into the share list, just after mpnt */
-			if (unlikely(tmp->vm_flags & VM_NONLINEAR))
-				vma_nonlinear_insert(tmp,
-						&mapping->i_mmap_nonlinear);
-			else
-				vma_interval_tree_insert_after(tmp, mpnt,
-							&mapping->i_mmap);
+			vma_interval_tree_insert_after(tmp, mpnt,
+					&mapping->i_mmap);
 			flush_dcache_mmap_unlock(mapping);
 			i_mmap_unlock_write(mapping);
 		}