108 /* Helper function which provides a wrapper around a merge new VMA operation. */
123  * Helper function which provides a wrapper around a merge existing VMA
141  * Helper function to reset merge state the associated VMA iterator to a
160  * Helper function to try to merge a new VMA.
162  * Update vmg and the iterator for it and try to merge, otherwise allocate a new
285 	 * performs the merge/split only.  in test_simple_modify()
431 	 * NO merge.  in test_merge_new()
444 	 * Merge BOTH sides.  in test_merge_new()
453 	/* Merge with A, delete B. */  in test_merge_new()
463 	 * Merge to PREVIOUS VMA.  in test_merge_new()
480 	 * Merge to NEXT VMA.  in test_merge_new()
499 	 * Merge BOTH sides.  in test_merge_new()
504 	vma_d->vm_ops = NULL; /* This would otherwise degrade the merge. */  in test_merge_new()
507 	/* Merge with A, delete D. */  in test_merge_new()
517 	 * Merge to NEXT VMA.  in test_merge_new()
535 	 * Merge BOTH sides.  in test_merge_new()
605 	/* 1. Set up new VMA with special flag that would otherwise merge. */  in test_vma_merge_special_flags()
611 	 * This should merge if not for the VM_SPECIAL flag.  in test_vma_merge_special_flags()
624 	/* 2. Modify VMA with special flag that would otherwise merge. */  in test_vma_merge_special_flags()
683 	 * If it does, then we cannot merge as the resources that the close()  in test_vma_merge_with_close()
705 	 * This is picked up by a specific check in the modified VMA merge.  in test_vma_merge_with_close()
718 	 * The only case of a new VMA merge that results in a VMA being deleted  in test_vma_merge_with_close()
753 	 * In this instance, if vma has a close hook, the merge simply cannot  in test_vma_merge_with_close()
766 	 * The VMA being modified in a way that would otherwise merge should  in test_vma_merge_with_close()
781 	 * In this instance, if vma has a close hook, the merge simply cannot  in test_vma_merge_with_close()
803 	 * to merge with both the previous and next VMAs.  in test_vma_merge_with_close()
806 	 * merge can proceed.  in test_vma_merge_with_close()
829 	 * we reduce the operation to a merge between prev and vma.  in test_vma_merge_with_close()
876 	 * We should allow the partial merge of a proposed new VMA if the  in test_vma_merge_new_with_close()
929 	 * Merge right case - partial span.  in test_merge_existing()
963 	 * Merge right case - full span.  in test_merge_existing()
991 	 * Merge left case - partial span.  in test_merge_existing()
1026 	 * Merge left case - full span.  in test_merge_existing()
1055 	 * Merge both case.  in test_merge_existing()
1085 	 * Non-merge ranges. the modified VMA merge operation assumes that the  in test_merge_existing()
1162 	 * In the case of modified VMA merge, merging both left and right VMAs  in test_anon_vma_non_mergeable()
1164 	 * to a merge of prev and VMA:  in test_anon_vma_non_mergeable()
1179 	 * merge with the NULL vmg->anon_vma.  in test_anon_vma_non_mergeable()
1181 	 * However, when prev is compared to next, the merge should fail.  in test_anon_vma_non_mergeable()
1439 	/* This will cause the merge to fail. */  in test_vmi_prealloc_fail()
1488 	 * This should result in a merge.  in test_merge_extend()
1514 	/* Move backwards and do not merge. */  in test_copy_vma()
1526 	/* Move a VMA into position next to another and merge the two. */  in test_copy_vma()