From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
To: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: 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: Thu, 7 Sep 2023 16:13:14 -0400 [thread overview]
Message-ID: <20230907201314.g4scadi3tk5ctrd2@revolver> (raw)
In-Reply-To: <20230830125654.21257-2-zhangpeng.00@bytedance.com>
* 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?
>
> 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:[~2023-09-07 20:14 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 [this message]
2023-09-08 2:45 ` Peng Zhang
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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