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From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Yosry Ahmed <yosry.ahmed@linux.dev>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
	 Andrew Morton <akpm@linux-foundation.org>,
	Hillf Danton <hdanton@sina.com>, Kairui Song <ryncsn@gmail.com>,
	 Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Minchan Kim <minchan@kernel.org>,
	linux-mm@kvack.org,  linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 11/17] zsmalloc: make zspage lock preemptible
Date: Sat, 22 Feb 2025 06:01:20 +0900	[thread overview]
Message-ID: <20250221-095831-265429292-neomutt-senozhatsky@chromium.org> (raw)
Message-ID: <20250221210120.TVOGW7dsBqVjilblIFqr3r9pH8hc5sNynRiVvnihYSQ@z> (raw)
In-Reply-To: <Z7jYiuRlC7_8_wzD@google.com>

On (25/02/21 19:48), Yosry Ahmed wrote:
[..]
> > +#ifdef CONFIG_DEBUG_LOCK_ALLOC
> > +#define zsl_dep_map(zsl) (&(zsl)->dep_map)
> > +#else
> > +#define zsl_dep_map(zsl) NULL
> > +#endif
> > +
> > +static void zspage_lock_init(struct zspage *zspage)
> > +{
> > +#ifdef CONFIG_DEBUG_LOCK_ALLOC
> > +	lockdep_init_map(&zspage->zsl.dep_map, "zspage->lock",
> > +			 &zspage->pool->lock_class, 0);
> 
> Can't we remove this #ifdef as well by adding a similar macro? (e.g.
> zsl_lock_class())

I thought about it but then was not sure if having a macro
that we use in two place is worth it, but I guess we can.
Let me send a v8.


  parent reply	other threads:[~2025-02-21 21:01 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-14  4:50 [PATCH v6 00/17] zsmalloc/zram: there be preemption Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 01/17] zram: sleepable entry locking Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 02/17] zram: permit preemption with active compression stream Sergey Senozhatsky
2025-02-20 19:10   ` Yosry Ahmed
2025-02-14  4:50 ` [PATCH v6 03/17] zram: remove unused crypto include Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 04/17] zram: remove max_comp_streams device attr Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 05/17] zram: remove two-staged handle allocation Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 06/17] zram: remove writestall zram_stats member Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 07/17] zram: limit max recompress prio to num_active_comps Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 08/17] zram: filter out recomp targets based on priority Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 09/17] zram: rework recompression loop Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 10/17] zsmalloc: rename pool lock Sergey Senozhatsky
2025-02-20 19:12   ` Yosry Ahmed
2025-02-14  4:50 ` [PATCH v6 11/17] zsmalloc: make zspage lock preemptible Sergey Senozhatsky
2025-02-20 19:18   ` Yosry Ahmed
2025-02-20 19:19     ` Yosry Ahmed
2025-02-21  1:20     ` Sergey Senozhatsky [this message]
2025-02-21 21:01       ` [PATCH v7 " Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 12/17] zsmalloc: introduce new object mapping API Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 13/17] zram: switch to new zsmalloc " Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 14/17] zram: permit reclaim in zstd custom allocator Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 15/17] zram: do not leak page on recompress_store error path Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 16/17] zram: do not leak page on writeback_store " Sergey Senozhatsky
2025-02-14  4:50 ` [PATCH v6 17/17] zram: add might_sleep to zcomp API Sergey Senozhatsky
2025-02-21  9:37 [PATCH v7 00/17] zsmalloc/zram: there be preemption Sergey Senozhatsky
2025-02-21  9:37 ` [PATCH v7 01/17] zram: sleepable entry locking Sergey Senozhatsky
2025-02-21  9:37 ` [PATCH v7 02/17] zram: permit preemption with active compression stream Sergey Senozhatsky
2025-02-21  9:37 ` [PATCH v7 03/17] zram: remove unused crypto include Sergey Senozhatsky
2025-02-21  9:37 ` [PATCH v7 04/17] zram: remove max_comp_streams device attr Sergey Senozhatsky
2025-02-21  9:37 ` [PATCH v7 05/17] zram: remove two-staged handle allocation Sergey Senozhatsky
2025-02-21  9:37 ` [PATCH v7 06/17] zram: remove writestall zram_stats member Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 07/17] zram: limit max recompress prio to num_active_comps Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 08/17] zram: filter out recomp targets based on priority Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 09/17] zram: rework recompression loop Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 10/17] zsmalloc: rename pool lock Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 11/17] zsmalloc: make zspage lock preemptible Sergey Senozhatsky
2025-02-21 19:48   ` Yosry Ahmed
2025-02-21 19:52   ` Yosry Ahmed
2025-02-21 22:29     ` Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 12/17] zsmalloc: introduce new object mapping API Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 13/17] zram: switch to new zsmalloc " Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 14/17] zram: permit reclaim in zstd custom allocator Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 15/17] zram: do not leak page on recompress_store error path Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 16/17] zram: do not leak page on writeback_store " Sergey Senozhatsky
2025-02-21  9:38 ` [PATCH v7 17/17] zram: add might_sleep to zcomp API Sergey Senozhatsky

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