From mboxrd@z Thu Jan 1 00:00:00 1970 From: colyli@suse.de Subject: [PATCH v2 4/4] md: remove redundant memalloc scope API usage Date: Thu, 9 Apr 2020 19:52:58 +0800 Message-ID: <20200409115258.19330-5-colyli@suse.de> References: <20200409115258.19330-1-colyli@suse.de> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200409115258.19330-1-colyli@suse.de> Sender: linux-raid-owner@vger.kernel.org To: songliubraving@fb.com, linux-raid@vger.kernel.org Cc: mhocko@suse.com, kent.overstreet@gmail.com, guoqing.jiang@cloud.ionos.com, Coly Li List-Id: linux-raid.ids From: Coly Li In mddev_create_serial_pool(), memalloc scope APIs memalloc_noio_save() and memalloc_noio_restore() are used when allocating memory by calling mempool_create_kmalloc_pool(). After adding the memalloc scope APIs in raid array suspend context, it is unncessary to explicitly call them around mempool_create_kmalloc_pool() any longer. This patch removes the redundant memalloc scope APIs in mddev_create_serial_pool(). Signed-off-by: Coly Li Cc: Guoqing Jiang --- drivers/md/md.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 1a8e1bb3a7f4..ef29f49a0f51 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -229,11 +229,9 @@ void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev, if (mddev->serial_info_pool == NULL) { unsigned int noio_flag; - noio_flag = memalloc_noio_save(); mddev->serial_info_pool = mempool_create_kmalloc_pool(NR_SERIAL_INFOS, sizeof(struct serial_info)); - memalloc_noio_restore(noio_flag); if (!mddev->serial_info_pool) { rdevs_uninit_serial(mddev); pr_err("can't alloc memory pool for serialization\n"); -- 2.25.0