linux-kernel - Re: [PATCH v2 0/5] kvfree

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Date:   Thu, 15 Apr 2021 18:10:26 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     "Uladzislau Rezki (Sony)" <urezki@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, RCU <rcu@...r.kernel.org>,
        Michal Hocko <mhocko@...e.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Axtens <dja@...ens.net>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <neeraju@...eaurora.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Theodore Y . Ts'o" <tytso@....edu>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>
Subject: Re: [PATCH v2 0/5] kvfree_rcu() miscellaneous fixes

On Thu, Apr 15, 2021 at 07:19:55PM +0200, Uladzislau Rezki (Sony) wrote:
> This is a v2 of a small series. See the changelog below:
> 
> V1 -> V2:
> - document the rcu_delay_page_cache_fill_msec parameter;
> - drop the "kvfree_rcu: introduce "flags" variable" patch;
> - reword commit messages;
> - in the patch [1], do not use READ_ONCE() instances in
>   get_cached_bnode()/put_cached_bnode() it is protected
>   by the lock.
> - Capitalize the word following by ":" in commit messages.
> 
> Uladzislau Rezki (Sony) (4):
> [1]  kvfree_rcu: Use [READ/WRITE]_ONCE() macros to access to nr_bkv_objs
> [2]  kvfree_rcu: Add a bulk-list check when a scheduler is run
> [3]  kvfree_rcu: Update "monitor_todo" once a batch is started
> [4]  kvfree_rcu: Use kfree_rcu_monitor() instead of open-coded variant
> 
> Zhang Qiang (1):
> [5]  kvfree_rcu: Release a page cache under memory pressure

I have queued these, thank you both!  And they pass touch tests, but
could you please check that "git am -3" correctly resolved a couple of
conflicts, one in Documentation/admin-guide/kernel-parameters.txt and
the other in kernel/rcu/tree.c?

						Thanx, Paul

>  .../admin-guide/kernel-parameters.txt         |  5 +
>  kernel/rcu/tree.c                             | 92 +++++++++++++++----
>  2 files changed, 77 insertions(+), 20 deletions(-)
> 
> -- 
> 2.20.1
>