linux-kernel - Re: [PATCH v10 3/3] mm: add anonymous vma name refcounting

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Message-ID: <20211005184211.GA19804@duo.ucw.cz>
Date:   Tue, 5 Oct 2021 20:42:11 +0200
From:   Pavel Machek <pavel@....cz>
To:     Suren Baghdasaryan <surenb@...gle.com>
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Subject: Re: [PATCH v10 3/3] mm: add anonymous vma name refcounting

On Fri 2021-10-01 13:56:57, Suren Baghdasaryan wrote:
> While forking a process with high number (64K) of named anonymous vmas the
> overhead caused by strdup() is noticeable. Experiments with ARM64
Android

I still believe you should simply use numbers and do the
numbers->strings mapping in userspace. We should not need to optimize
strdups in kernel...

Best regards,
								Pavel
-- 
http://www.livejournal.com/~pavelmachek

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