From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
Yosry Ahmed <yosryahmed@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCHv2 3/6] zsmalloc: fine-grained inuse ratio based fullness grouping
Date: Wed, 1 Mar 2023 17:55:44 +0900 [thread overview]
Message-ID: <Y/8TENp78WSQ0UW3@google.com> (raw)
In-Reply-To: <Y/6GAYJ4c9W0bPzp@google.com>
On (23/02/28 14:53), Minchan Kim wrote:
> BTW, I still prefer the enum instead of 10 define.
>
> enum fullness_group {
> ZS_EMPTY,
> ZS_INUSE_RATIO_MIN,
> ZS_INUSE_RATIO_ALMOST_FULL = 7,
> ZS_INUSE_RATIO_MAX = 10,
> ZS_FULL,
> NR_ZS_FULLNESS,
> }
For educational purposes, may I ask what do enums give us? We
always use integers - int:4 in zspage fullness, int for arrays
offsets and we cast to plain integers in get/set stats. So those
enums exist only at declaration point, and plain int otherwise.
What are the benefits over #defines?
next prev parent reply other threads:[~2023-03-01 8:55 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-23 3:04 [PATCHv2 0/6] zsmalloc: fine-grained fullness and new compaction algorithm Sergey Senozhatsky
2023-02-23 3:04 ` [PATCHv2 1/6] zsmalloc: remove insert_zspage() ->inuse optimization Sergey Senozhatsky
2023-02-23 23:09 ` Minchan Kim
2023-02-26 4:40 ` Sergey Senozhatsky
2023-02-23 3:04 ` [PATCHv2 2/6] zsmalloc: remove stat and fullness enums Sergey Senozhatsky
2023-02-23 23:11 ` Minchan Kim
2023-02-23 23:32 ` Yosry Ahmed
2023-02-26 4:39 ` Sergey Senozhatsky
2023-02-23 3:04 ` [PATCHv2 3/6] zsmalloc: fine-grained inuse ratio based fullness grouping Sergey Senozhatsky
2023-02-23 23:27 ` Minchan Kim
2023-02-26 4:38 ` Sergey Senozhatsky
2023-02-28 22:53 ` Minchan Kim
2023-03-01 4:05 ` Sergey Senozhatsky
2023-03-02 0:13 ` Minchan Kim
2023-03-01 8:55 ` Sergey Senozhatsky [this message]
2023-03-02 0:28 ` Minchan Kim
2023-03-02 0:53 ` Sergey Senozhatsky
2023-03-03 0:20 ` Minchan Kim
2023-03-03 1:06 ` Sergey Senozhatsky
2023-03-03 1:38 ` Minchan Kim
2023-03-03 1:43 ` Sergey Senozhatsky
2023-02-23 3:04 ` [PATCHv2 4/6] zsmalloc: rework compaction algorithm Sergey Senozhatsky
2023-02-23 23:46 ` Minchan Kim
2023-02-26 4:09 ` Sergey Senozhatsky
2023-02-28 23:14 ` Minchan Kim
2023-03-01 3:47 ` Sergey Senozhatsky
2023-02-23 3:04 ` [PATCHv2 5/6] zsmalloc: extend compaction statistics Sergey Senozhatsky
2023-02-23 23:51 ` Minchan Kim
2023-02-26 3:55 ` Sergey Senozhatsky
2023-02-28 22:20 ` Minchan Kim
2023-03-01 3:54 ` Sergey Senozhatsky
2023-03-01 23:48 ` Minchan Kim
2023-03-03 1:57 ` Sergey Senozhatsky
2023-02-23 3:04 ` [PATCHv2 6/6] zram: show zsmalloc objs_moved stat in mm_stat Sergey Senozhatsky
2023-02-23 23:53 ` [PATCHv2 0/6] zsmalloc: fine-grained fullness and new compaction algorithm Minchan Kim
2023-02-26 3:50 ` Sergey Senozhatsky
2023-02-28 22:17 ` Minchan Kim
2023-03-01 3:57 ` Sergey Senozhatsky
2023-03-01 23:48 ` Minchan Kim
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