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SubjectRe: [PATCH] rcu: Release per-cpu krcp page cache when CPU going offline
Hello, Qiang,

> On Thu, Jan 21, 2021 at 02:49:49PM +0800, qiang.zhang@windriver.com wrote:
> > From: Zqiang <qiang.zhang@windriver.com>
> >
> > If CPUs go offline, the corresponding krcp's page cache can
> > not be use util the CPU come back online, or maybe the CPU
> > will never go online again, this commit therefore free krcp's
> > page cache when CPUs go offline.
> >
> > Signed-off-by: Zqiang <qiang.zhang@windriver.com>
>
Do you consider it as an issue? We have 5 pages per CPU, that is 20480 bytes.

--
Vlad Rezki

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