120 /* Helper function which provides a wrapper around a merge new VMA operation. */
140  * Helper function which provides a wrapper around a merge existing VMA
163  * Helper function to reset merge state the associated VMA iterator to a
189  * Helper function to try to merge a new VMA.
191  * Update vmg and the iterator for it and try to merge, otherwise allocate a new
314 	 * performs the merge/split only.  in test_simple_modify()
460 	 * NO merge.  in test_merge_new()
473 	 * Merge BOTH sides.  in test_merge_new()
482 	/* Merge with A, delete B. */  in test_merge_new()
492 	 * Merge to PREVIOUS VMA.  in test_merge_new()
509 	 * Merge to NEXT VMA.  in test_merge_new()
528 	 * Merge BOTH sides.  in test_merge_new()
533 	vma_d->vm_ops = NULL; /* This would otherwise degrade the merge. */  in test_merge_new()
536 	/* Merge with A, delete D. */  in test_merge_new()
546 	 * Merge to NEXT VMA.  in test_merge_new()
564 	 * Merge BOTH sides.  in test_merge_new()
634 	/* 1. Set up new VMA with special flag that would otherwise merge. */  in test_vma_merge_special_flags()
640 	 * This should merge if not for the VM_SPECIAL flag.  in test_vma_merge_special_flags()
653 	/* 2. Modify VMA with special flag that would otherwise merge. */  in test_vma_merge_special_flags()
712 	 * If it does, then we cannot merge as the resources that the close()  in test_vma_merge_with_close()
734 	 * This is picked up by a specific check in the modified VMA merge.  in test_vma_merge_with_close()
747 	 * The only case of a new VMA merge that results in a VMA being deleted  in test_vma_merge_with_close()
782 	 * In this instance, if vma has a close hook, the merge simply cannot  in test_vma_merge_with_close()
795 	 * The VMA being modified in a way that would otherwise merge should  in test_vma_merge_with_close()
810 	 * In this instance, if vma has a close hook, the merge simply cannot  in test_vma_merge_with_close()
832 	 * to merge with both the previous and next VMAs.  in test_vma_merge_with_close()
835 	 * merge can proceed.  in test_vma_merge_with_close()
858 	 * we reduce the operation to a merge between prev and vma.  in test_vma_merge_with_close()
905 	 * We should allow the partial merge of a proposed new VMA if the  in test_vma_merge_new_with_close()
958 	 * Merge right case - partial span.  in test_merge_existing()
992 	 * Merge right case - full span.  in test_merge_existing()
1020 	 * Merge left case - partial span.  in test_merge_existing()
1055 	 * Merge left case - full span.  in test_merge_existing()
1084 	 * Merge both case.  in test_merge_existing()
1114 	 * Non-merge ranges. the modified VMA merge operation assumes that the  in test_merge_existing()
1191 	 * In the case of modified VMA merge, merging both left and right VMAs  in test_anon_vma_non_mergeable()
1193 	 * to a merge of prev and VMA:  in test_anon_vma_non_mergeable()
1208 	 * merge with the NULL vmg->anon_vma.  in test_anon_vma_non_mergeable()
1210 	 * However, when prev is compared to next, the merge should fail.  in test_anon_vma_non_mergeable()
1468 	/* This will cause the merge to fail. */  in test_vmi_prealloc_fail()
1517 	 * This should result in a merge.  in test_merge_extend()
1543 	/* Move backwards and do not merge. */  in test_copy_vma()
1555 	/* Move a VMA into position next to another and merge the two. */  in test_copy_vma()