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Howlett" Cc: linux-mm@kvack.org, Andrew Morton , Jiazi Li , linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org Subject: Re: [PATCH 2/2] maple_tree: Add some alloc node test case Message-ID: <20241011011759.wbw56sqgmhzjwo4k@master> Reply-To: Wei Yang References: <20240626160631.3636515-1-Liam.Howlett@oracle.com> <20240626160631.3636515-2-Liam.Howlett@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240626160631.3636515-2-Liam.Howlett@oracle.com> User-Agent: NeoMutt/20170113 (1.7.2) X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: BD16E10000C X-Stat-Signature: 9e1bdqxbypzz5ojn7ezzdbntdg3674nq X-Rspam-User: X-HE-Tag: 1728609481-471728 X-HE-Meta: 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 welb+DIO 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002747, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jun 26, 2024 at 12:06:31PM -0400, Liam R. Howlett wrote: >From: Jiazi Li > >Add some maple_tree alloc node tese case. > >Suggested-by: Liam R. Howlett >Signed-off-by: Jiazi Li >Signed-off-by: Liam R. Howlett >--- > tools/testing/radix-tree/maple.c | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > >diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c >index 11f1efdf83f9..b4b5fd9f294d 100644 >--- a/tools/testing/radix-tree/maple.c >+++ b/tools/testing/radix-tree/maple.c >@@ -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 */ I am not sure why mas_nomem() is here. Without this one, we still can trigger the original bug. >+ 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); > } > >-- >2.43.0 > -- Wei Yang Help you, Help me