From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Yu Zhao <yuzhao@google.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
Minchan Kim <minchan@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Yosry Ahmed <yosryahmed@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCHv4 0/4] zsmalloc: fine-grained fullness and new compaction algorithm
Date: Mon, 17 Apr 2023 12:52:32 +0900 [thread overview]
Message-ID: <20230417035232.GM25053@google.com> (raw)
In-Reply-To: <CAOUHufYJtB0n314GnMH1ByXL5PTtzzsrMvi2YbHz2YVqTTcYfA@mail.gmail.com>
On (23/04/16 20:55), Yu Zhao wrote:
> > Do you run some specific test?
>
> E.g.,
> tools/testing/selftests/kvm/max_guest_memory_test -c 112 -m 800 -s 800
> with 112 CPUs and ~770GB DRAM + 32GB zram.
Hmm ...
Something like this maybe?
The src zspage pointer is not NULL-ed after non-empty zspage is
put back to corresponding fullness list.
---
@@ -2239,8 +2241,8 @@ static unsigned long __zs_compact(struct zs_pool *pool,
if (fg == ZS_INUSE_RATIO_0) {
free_zspage(pool, class, src_zspage);
pages_freed += class->pages_per_zspage;
- src_zspage = NULL;
}
+ src_zspage = NULL;
if (get_fullness_group(class, dst_zspage) == ZS_INUSE_RATIO_100
|| spin_is_contended(&pool->lock)) {
next prev parent reply other threads:[~2023-04-17 3:52 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-04 3:48 [PATCHv4 0/4] zsmalloc: fine-grained fullness and new compaction algorithm Sergey Senozhatsky
2023-03-04 3:48 ` [PATCHv4 1/4] zsmalloc: remove insert_zspage() ->inuse optimization Sergey Senozhatsky
2023-03-04 3:48 ` [PATCHv4 2/4] zsmalloc: fine-grained inuse ratio based fullness grouping Sergey Senozhatsky
2023-03-04 3:48 ` [PATCHv4 3/4] zsmalloc: rework compaction algorithm Sergey Senozhatsky
2023-04-17 5:01 ` [PATCH] zsmalloc: reset compaction source zspage pointer after putback_zspage() Sergey Senozhatsky
2023-04-17 5:11 ` Yu Zhao
2023-04-17 11:43 ` Yosry Ahmed
2023-04-17 13:07 ` Sergey Senozhatsky
2023-04-17 13:08 ` Sergey Senozhatsky
2023-03-04 3:48 ` [PATCHv4 4/4] zsmalloc: show per fullness group class stats Sergey Senozhatsky
2023-03-10 21:10 ` [PATCHv4 0/4] zsmalloc: fine-grained fullness and new compaction algorithm Minchan Kim
2023-03-11 8:30 ` Sergey Senozhatsky
2023-04-16 7:20 ` Yu Zhao
2023-04-16 15:18 ` Sergey Senozhatsky
2023-04-16 19:27 ` Yu Zhao
2023-04-17 2:44 ` Sergey Senozhatsky
2023-04-17 2:55 ` Yu Zhao
2023-04-17 3:52 ` Sergey Senozhatsky [this message]
2023-04-17 8:29 ` Yosry Ahmed
2023-04-17 11:12 ` Sergey Senozhatsky
2023-04-17 11:16 ` Yosry Ahmed
2023-04-17 11:24 ` Sergey Senozhatsky
2023-04-17 11:31 ` Yosry Ahmed
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