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From: Yosry Ahmed <yosry.ahmed@linux.dev>
To: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Minchan Kim <minchan@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Nhat Pham <nphamcs@gmail.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 5/6] zsmalloc: introduce handle mapping API
Date: Tue, 28 Jan 2025 17:22:30 +0000	[thread overview]
Message-ID: <Z5kSVqFs4I1RBmwx@google.com> (raw)
In-Reply-To: <5nhnrq753euz3exuirvkpvq5ycrpik7er6mgpu66zp2emt5xf4@7n2vzbghlzmd>

On Tue, Jan 28, 2025 at 08:10:10PM +0900, Sergey Senozhatsky wrote:
> On (25/01/28 14:29), Sergey Senozhatsky wrote:
> > Maybe we can teach compaction and migration to try-WRITE and
> > bail out if the page is locked, but I don't know.
> 
> This seems to be working just fine.

Does this mean we won't need as much locking changes to get zsmalloc to
be preemtible?

I am slightly worried about how these changes will affect performance
tbh.


  reply	other threads:[~2025-01-28 17:22 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-27  7:59 [RFC PATCH 0/6] zsmalloc: make zsmalloc preemptible Sergey Senozhatsky
2025-01-27  7:59 ` [RFC PATCH 1/6] zram: deffer slot free notification Sergey Senozhatsky
2025-01-27  7:59 ` [RFC PATCH 2/6] zsmalloc: make zspage lock preemptible Sergey Senozhatsky
2025-01-27 20:23   ` Uros Bizjak
2025-01-28  0:29     ` Sergey Senozhatsky
2025-01-27  7:59 ` [RFC PATCH 3/6] zsmalloc: convert to sleepable pool lock Sergey Senozhatsky
2025-01-27  7:59 ` [RFC PATCH 4/6] zsmalloc: make class lock sleepable Sergey Senozhatsky
2025-01-27  7:59 ` [RFC PATCH 5/6] zsmalloc: introduce handle mapping API Sergey Senozhatsky
2025-01-27 21:26   ` Yosry Ahmed
2025-01-28  0:37     ` Sergey Senozhatsky
2025-01-28  0:49       ` Yosry Ahmed
2025-01-28  1:13         ` Sergey Senozhatsky
2025-01-27 21:58   ` Yosry Ahmed
2025-01-28  0:59     ` Sergey Senozhatsky
2025-01-28  1:36       ` Yosry Ahmed
2025-01-28  5:29         ` Sergey Senozhatsky
2025-01-28  9:38           ` Sergey Senozhatsky
2025-01-28 17:21             ` Yosry Ahmed
2025-01-29  3:32               ` Sergey Senozhatsky
2025-01-28 11:10           ` Sergey Senozhatsky
2025-01-28 17:22             ` Yosry Ahmed [this message]
2025-01-28 23:01               ` Sergey Senozhatsky
2025-01-29  5:40         ` Sergey Senozhatsky
2025-01-27  7:59 ` [RFC PATCH 6/6] zram: switch over to zshandle " Sergey Senozhatsky

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