linux-kernel - Re: [PATCH v8 26/32] fs/resctrl: Move allocation/free of closid_num_dirty

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Message-ID: <9644f34a-db4d-4bd4-b5d5-2e5a0eadf7e2@intel.com>
Date: Thu, 14 Aug 2025 14:54:58 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Tony Luck <tony.luck@...el.com>, Fenghua Yu <fenghuay@...dia.com>, "Maciej
 Wieczor-Retman" <maciej.wieczor-retman@...el.com>, Peter Newman
	<peternewman@...gle.com>, James Morse <james.morse@....com>, Babu Moger
	<babu.moger@....com>, Drew Fustini <dfustini@...libre.com>, Dave Martin
	<Dave.Martin@....com>, Chen Yu <yu.c.chen@...el.com>
CC: <x86@...nel.org>, <linux-kernel@...r.kernel.org>,
	<patches@...ts.linux.dev>
Subject: Re: [PATCH v8 26/32] fs/resctrl: Move allocation/free of
 closid_num_dirty_rmid

Hi Tony,

On 8/11/25 11:17 AM, Tony Luck wrote:
> closid_num_dirty_rmid[] is allocated in dom_data_init() and freed by
> dom_data_exit() giving it the same life cycle as rmid_ptrs[].

To help connect the current flow with the planned changes mentioned below
this can be:
	closid_num_dirty_rmid[] is allocated in dom_data_init() during resctrl
	initialization and freed by dom_data_exit() during resctrl exit giving
	it the same life cycle as rmid_ptrs[].

> 
> Move the alloc/free out to resctrl_mon_l3_resource_init() and

"Move the alloc/free out ..." -> "Move closid_num_dirty_rmid[] alloc/free out ..."

> resctrl_mon_l3_resource_exit() in preparation for rmid_ptrs[] to be
> allocated on resctrl mount in support of the new telemetry events.
> 
> Signed-off-by: Tony Luck <tony.luck@...el.com>
> ---

Reinette