linux-kernel - Re: [PATCH] slub: operate cache name memory same to slab and slob

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Message-ID: <AANLkTikSw2X-n7mC0+Mxosn8w-AAuROkSV7V9G+8ZAVS@mail.gmail.com>
Date:	Fri, 19 Nov 2010 22:38:27 +0800
From:	Zeng Zhaoming <zengzm.kernel@...il.com>
To:	Matt Mackall <mpm@...enic.com>
Cc:	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	cl@...ux-foundation.org, penberg@...helsinki.fi, tytso@....edu,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] slub: operate cache name memory same to slab and slob

> - eliminate dynamically-allocated names (mostly useless when we start
> merging slabs!)

not permit dynamically allocated name. I think this one is better, but
as a rule, describe in header is not enough.
It is helpful to print out some warning when someone break the rule.

> kmem_cache_name() is also a highly suspect function in a
> post-merged-slabs kernel. As ext4 is the only user in the kernel, and it
> got it wrong, perhaps it's time to rip it out.

agree, kmem_cache_name() is ugly.

---
Best Regards
    Zeng Zhaoming
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