Commit 0f85eb33 authored by Jiazi Li's avatar Jiazi Li Committed by Andrew Morton
Browse files

maple_tree: add some alloc node test case 

Add some maple_tree alloc node tese case.

Link: https://lkml.kernel.org/r/20240626160631.3636515-2-Liam.Howlett@oracle.com


Signed-off-by: default avatarJiazi Li <jqqlijiazi@gmail.com>
Signed-off-by: default avatarLiam R. Howlett <Liam.Howlett@oracle.com>
Suggested-by: default avatarLiam R. Howlett <Liam.Howlett@oracle.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 5b2100f7

tools/testing/radix-tree/maple.c

+22 −0
Original line number Diff line number Diff line
@@ -462,6 +462,28 @@ static noinline void __init check_new_node(struct maple_tree *mt) 
	MT_BUG_ON(mt, mas_allocated(&mas) != 10 + MAPLE_ALLOC_SLOTS - 1);

	mas_destroy(&mas);









	mas.node = MA_ERROR(-ENOMEM);









	mas_node_count(&mas, MAPLE_ALLOC_SLOTS + 1); /* Request */









	mas_nomem(&mas, GFP_KERNEL); /* Fill request */









	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS + 1);









	mas.node = MA_ERROR(-ENOMEM);









	mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 2 + 2); /* Request */









	mas_nomem(&mas, GFP_KERNEL); /* Fill request */









	mas.status = ma_start;









	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 2 + 2);









	mas_destroy(&mas);

















	mas.node = MA_ERROR(-ENOMEM);









	mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 2 + 1); /* Request */









	mas_nomem(&mas, GFP_KERNEL); /* Fill request */









	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 2 + 1);









	mas.node = MA_ERROR(-ENOMEM);









	mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 3 + 2); /* Request */









	mas_nomem(&mas, GFP_KERNEL); /* Fill request */









	mas.status = ma_start;









	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 3 + 2);









	mas_destroy(&mas);

















	mtree_unlock(mt);









}