linux-kernel - Re: [v2 PATCH 0/2] enhance kfree

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Message-ID: <20200122011618.GB2935@paulmck-ThinkPad-P72>
Date:   Tue, 21 Jan 2020 17:16:18 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     "Uladzislau Rezki (Sony)" <urezki@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        RCU <rcu@...r.kernel.org>, Steven Rostedt <rostedt@...dmis.org>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>
Subject: Re: [v2 PATCH 0/2] enhance kfree_rcu() throughput

On Mon, Jan 20, 2020 at 03:42:24PM +0100, Uladzislau Rezki (Sony) wrote:
> Here we go with V2 version of the "support kfree_bulk() interface in
> kfree_rcu()" patchest. Apart of that there is one more, it just adds
> a trace event for kfree_bulk() call.
> 
> Boths patches are based on "dev.2020.01.10a" branch of the linux-rcu.git
> 
> V1 -> V2:
>    - fix and support debugobjects;
>    - updated the commit message of [1]. Added test results
>      of CONFIG_SLAB / CONFIG_SLUB configurations together
>      with recent new parameter kfree_vary_obj_size=1;
>    - add more comments.
> 
> Rezki (Sony) (2):
> [1]  rcu/tree: support kfree_bulk() interface in kfree_rcu()
> [2]  rcu/tree: add a trace invoke event of the kfree_bulk()
> 
>  include/trace/events/rcu.h |  28 +++++
>  kernel/rcu/tree.c          | 207 ++++++++++++++++++++++++++++++-------
>  2 files changed, 200 insertions(+), 35 deletions(-)

Both queued for further review and testing, thank you!

							Thanx, Paul