From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: Re: [PATCH v5 05/12] zsmalloc: use bit_spin_lock
Date: Mon, 16 May 2016 10:17:31 +0900 [thread overview]
Message-ID: <20160516011730.GA504@swordfish> (raw)
In-Reply-To: <1462760433-32357-6-git-send-email-minchan@kernel.org>
On (05/09/16 11:20), Minchan Kim wrote:
>
> Use kernel standard bit spin-lock instead of custom mess. Even, it has
> a bug which doesn't disable preemption. The reason we don't have any
> problem is that we have used it during preemption disable section
> by class->lock spinlock. So no need to go to stable.
>
> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> Signed-off-by: Minchan Kim <minchan@kernel.org>
good change.
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
-ss
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WARNING: multiple messages have this Message-ID (diff)
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: Re: [PATCH v5 05/12] zsmalloc: use bit_spin_lock
Date: Mon, 16 May 2016 10:17:31 +0900 [thread overview]
Message-ID: <20160516011730.GA504@swordfish> (raw)
In-Reply-To: <1462760433-32357-6-git-send-email-minchan@kernel.org>
On (05/09/16 11:20), Minchan Kim wrote:
>
> Use kernel standard bit spin-lock instead of custom mess. Even, it has
> a bug which doesn't disable preemption. The reason we don't have any
> problem is that we have used it during preemption disable section
> by class->lock spinlock. So no need to go to stable.
>
> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> Signed-off-by: Minchan Kim <minchan@kernel.org>
good change.
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
-ss
next prev parent reply other threads:[~2016-05-16 1:19 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 2:20 [PATCH v5 00/13] Support non-lru page migration Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` [PATCH v5 01/12] mm: use put_page to free page instead of putback_lru_page Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` [PATCH v5 02/12] mm: migrate: support non-lru movable page migration Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 7:04 ` Sergey Senozhatsky
2016-05-16 7:04 ` Sergey Senozhatsky
2016-05-17 1:16 ` Minchan Kim
2016-05-17 1:16 ` Minchan Kim
2016-05-17 1:16 ` Minchan Kim
2016-05-16 7:04 ` Sergey Senozhatsky
2016-05-16 7:17 ` Sergey Senozhatsky
2016-05-16 7:17 ` Sergey Senozhatsky
2016-05-16 7:17 ` Sergey Senozhatsky
2016-05-17 1:18 ` Minchan Kim
2016-05-17 1:18 ` Minchan Kim
2016-05-17 1:18 ` Minchan Kim
2016-05-17 1:30 ` Sergey Senozhatsky
2016-05-17 1:30 ` Sergey Senozhatsky
2016-05-17 1:30 ` Sergey Senozhatsky
2016-05-09 2:20 ` [PATCH v5 03/12] mm: balloon: use general non-lru movable page feature Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 19:16 ` kbuild test robot
2016-05-16 19:16 ` kbuild test robot
2016-05-16 19:16 ` kbuild test robot
2016-05-09 2:20 ` [PATCH v5 04/12] zsmalloc: keep max_object in size_class Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` [PATCH v5 05/12] zsmalloc: use bit_spin_lock Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 1:17 ` Sergey Senozhatsky [this message]
2016-05-16 1:17 ` Sergey Senozhatsky
2016-05-09 2:20 ` [PATCH v5 06/12] zsmalloc: use accessor Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 1:48 ` Sergey Senozhatsky
2016-05-16 1:48 ` Sergey Senozhatsky
2016-05-09 2:20 ` [PATCH v5 07/12] zsmalloc: factor page chain functionality out Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 2:14 ` Sergey Senozhatsky
2016-05-16 2:14 ` Sergey Senozhatsky
2016-05-17 1:02 ` Minchan Kim
2016-05-17 1:02 ` Minchan Kim
2016-05-09 2:20 ` [PATCH v5 08/12] zsmalloc: introduce zspage structure Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 3:09 ` Sergey Senozhatsky
2016-05-16 3:09 ` Sergey Senozhatsky
2016-05-17 1:14 ` Minchan Kim
2016-05-17 1:14 ` Minchan Kim
2016-05-17 1:27 ` Sergey Senozhatsky
2016-05-17 1:27 ` Sergey Senozhatsky
2016-05-09 2:20 ` [PATCH v5 09/12] zsmalloc: separate free_zspage from putback_zspage Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 3:15 ` Sergey Senozhatsky
2016-05-16 3:15 ` Sergey Senozhatsky
2016-05-09 2:20 ` [PATCH v5 10/12] zsmalloc: use freeobj for index Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-09 2:20 ` [PATCH v5 11/12] zsmalloc: page migration support Minchan Kim
2016-05-09 2:20 ` Minchan Kim
2016-05-16 19:33 ` kbuild test robot
2016-05-16 19:33 ` kbuild test robot
2016-05-09 2:20 ` [PATCH v5 12/12] zram: use __GFP_MOVABLE for memory allocation Minchan Kim
2016-05-09 2:20 ` Minchan Kim
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