From: Peng Zhang <zhangpeng.00@bytedance.com>
To: "Liam R. Howlett" <Liam.Howlett@Oracle.com>,
Peng Zhang <zhangpeng.00@bytedance.com>,
corbet@lwn.net, akpm@linux-foundation.org, willy@infradead.org,
brauner@kernel.org, surenb@google.com,
michael.christie@oracle.com, peterz@infradead.org,
mathieu.desnoyers@efficios.com, npiggin@gmail.com,
avagin@gmail.com, linux-mm@kvack.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 1/6] maple_tree: Add two helpers
Date: Fri, 8 Sep 2023 10:45:47 +0800 [thread overview]
Message-ID: <3ebd7fab-ba27-9abd-b06f-b16fa567ebbc@bytedance.com> (raw)
In-Reply-To: <20230907201314.g4scadi3tk5ctrd2@revolver>
在 2023/9/8 04:13, Liam R. Howlett 写道:
> * Peng Zhang <zhangpeng.00@bytedance.com> [230830 08:57]:
>> Add two helpers, which will be used later.
>
> Can you please change the subject to something like:
> Add mt_free_one() and mt_attr() helpers
>
> for easier git log readability?
OK, I'll do that.
>
>>
>> Signed-off-by: Peng Zhang <zhangpeng.00@bytedance.com>
>> ---
>> lib/maple_tree.c | 12 +++++++++++-
>> 1 file changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
>> index ee1ff0c59fd7..ef234cf02e3e 100644
>> --- a/lib/maple_tree.c
>> +++ b/lib/maple_tree.c
>> @@ -165,6 +165,11 @@ static inline int mt_alloc_bulk(gfp_t gfp, size_t size, void **nodes)
>> return kmem_cache_alloc_bulk(maple_node_cache, gfp, size, nodes);
>> }
>>
>> +static inline void mt_free_one(struct maple_node *node)
>> +{
>> + kmem_cache_free(maple_node_cache, node);
>> +}
>> +
>> static inline void mt_free_bulk(size_t size, void __rcu **nodes)
>> {
>> kmem_cache_free_bulk(maple_node_cache, size, (void **)nodes);
>> @@ -205,6 +210,11 @@ static unsigned int mas_mt_height(struct ma_state *mas)
>> return mt_height(mas->tree);
>> }
>>
>> +static inline unsigned int mt_attr(struct maple_tree *mt)
>> +{
>> + return mt->ma_flags & ~MT_FLAGS_HEIGHT_MASK;
>> +}
>> +
>> static inline enum maple_type mte_node_type(const struct maple_enode *entry)
>> {
>> return ((unsigned long)entry >> MAPLE_NODE_TYPE_SHIFT) &
>> @@ -5520,7 +5530,7 @@ void mas_destroy(struct ma_state *mas)
>> mt_free_bulk(count, (void __rcu **)&node->slot[1]);
>> total -= count;
>> }
>> - kmem_cache_free(maple_node_cache, node);
>> + mt_free_one(ma_mnode_ptr(node));
>> total--;
>> }
>>
>> --
>> 2.20.1
>>
next prev parent reply other threads:[~2023-09-08 2:46 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-30 12:56 [PATCH v2 0/6] Introduce __mt_dup() to improve the performance of fork() Peng Zhang
2023-08-30 12:56 ` [PATCH v2 1/6] maple_tree: Add two helpers Peng Zhang
2023-09-07 20:13 ` Liam R. Howlett
2023-09-08 2:45 ` Peng Zhang [this message]
2023-08-30 12:56 ` [PATCH v2 2/6] maple_tree: Introduce interfaces __mt_dup() and mtree_dup() Peng Zhang
2023-09-07 20:13 ` Liam R. Howlett
2023-09-08 9:26 ` Peng Zhang
2023-09-08 16:05 ` Liam R. Howlett
2023-09-11 12:59 ` Peng Zhang
2023-09-11 13:36 ` Liam R. Howlett
2023-08-30 12:56 ` [PATCH v2 3/6] maple_tree: Add test for mtree_dup() Peng Zhang
2023-09-07 20:13 ` Liam R. Howlett
2023-09-08 9:38 ` Peng Zhang
2023-09-25 4:06 ` Peng Zhang
2023-09-25 7:44 ` Liam R. Howlett
2023-09-25 8:30 ` Peng Zhang
2023-08-30 12:56 ` [PATCH v2 4/6] maple_tree: Skip other tests when BENCH is enabled Peng Zhang
2023-08-30 12:56 ` [PATCH v2 5/6] maple_tree: Update check_forking() and bench_forking() Peng Zhang
2023-08-31 13:40 ` kernel test robot
2023-09-01 10:58 ` Peng Zhang
2023-09-07 18:03 ` Liam R. Howlett
2023-09-07 18:16 ` Matthew Wilcox
2023-09-08 9:47 ` Peng Zhang
2023-09-07 20:14 ` Liam R. Howlett
2023-08-30 12:56 ` [PATCH v2 6/6] fork: Use __mt_dup() to duplicate maple tree in dup_mmap() Peng Zhang
2023-09-07 20:14 ` Liam R. Howlett
2023-09-08 9:58 ` Peng Zhang
2023-09-08 16:07 ` Liam R. Howlett
2023-09-15 10:51 ` Peng Zhang
2023-09-15 10:56 ` Peng Zhang
2023-09-15 20:00 ` Liam R. Howlett
2023-09-18 13:14 ` Peng Zhang
2023-09-18 17:59 ` Liam R. Howlett
2023-08-30 13:05 ` [PATCH v2 0/6] Introduce __mt_dup() to improve the performance of fork() Peng Zhang
2023-09-07 20:19 ` Liam R. Howlett
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