From: Frederic Weisbecker <frederic@kernel.org>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: atomlin@redhat.com, cl@linux.com, tglx@linutronix.de,
mingo@kernel.org, peterz@infradead.org, pauld@redhat.com,
neelx@redhat.com, oleksandr@natalenko.name,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v9 4/5] tick/nohz_full: Ensure quiet_vmstat() is called on exit to user-mode when the idle tick is stopped
Date: Wed, 14 Dec 2022 14:00:40 +0100 [thread overview]
Message-ID: <20221214130040.GC1930067@lothringen> (raw)
In-Reply-To: <20221206162416.509808578@redhat.com>
On Tue, Dec 06, 2022 at 01:18:30PM -0300, Marcelo Tosatti wrote:
> From: Aaron Tomlin <atomlin@redhat.com>
>
> This patch ensures CPU-specific vmstat differentials do not remain
> when the scheduling-tick is stopped and before exiting to user-mode
> in the context of nohz_full only.
Please also don't forget to mention why this change is needed.
Thanks.
next prev parent reply other threads:[~2022-12-14 13:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-06 16:18 [PATCH v9 0/5] Ensure quiet_vmstat() is called when the idle tick was stopped too Marcelo Tosatti
2022-12-06 16:18 ` [PATCH v9 1/5] mm/vmstat: Add CPU-specific variable to track a vmstat discrepancy Marcelo Tosatti
2022-12-14 13:06 ` Frederic Weisbecker
2022-12-06 16:18 ` [PATCH v9 2/5] mm/vmstat: Use vmstat_dirty to track CPU-specific vmstat discrepancies Marcelo Tosatti
2022-12-06 16:18 ` [PATCH v9 3/5] mm/vmstat: manage per-CPU stats from CPU context when NOHZ full Marcelo Tosatti
2022-12-14 13:18 ` Frederic Weisbecker
2022-12-14 13:33 ` Frederic Weisbecker
2022-12-16 16:16 ` Marcelo Tosatti
2022-12-16 22:47 ` Frederic Weisbecker
2022-12-06 16:18 ` [PATCH v9 4/5] tick/nohz_full: Ensure quiet_vmstat() is called on exit to user-mode when the idle tick is stopped Marcelo Tosatti
2022-12-14 12:49 ` Frederic Weisbecker
2022-12-14 13:00 ` Frederic Weisbecker [this message]
2022-12-06 16:18 ` [PATCH v9 5/5] tick/sched: Ensure quiet_vmstat() is called when the idle tick was stopped too Marcelo Tosatti
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