linux-kernel - Re: [RFC PATCH 0/4] kstrdup optimization

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Message-ID: <87egrhws89.fsf@tassilo.jf.intel.com>
Date:	Mon, 29 Dec 2014 22:45:42 -0800
From:	Andi Kleen <andi@...stfloor.org>
To:	Andrzej Hajda <a.hajda@...sung.com>
Cc:	linux-mm@...ck.org, Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/4] kstrdup optimization

Andrzej Hajda <a.hajda@...sung.com> writes:

> kstrdup if often used to duplicate strings where neither source neither
> destination will be ever modified. In such case we can just reuse the source
> instead of duplicating it. The problem is that we must be sure that
> the source is non-modifiable and its life-time is long enough.

What happens if someone is to kfree() these strings?

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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