linux-kernel - Re: DNAME_INLINE_LEN versus CONFIG_GENERIC

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Date:	Fri, 4 Jul 2014 05:16:33 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Nick Piggin <npiggin@...nel.dk>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: DNAME_INLINE_LEN versus CONFIG_GENERIC_LOCKBREAK

> IF you've turned on debugging options, then you've already lost more
> performance that careful packing of the dentry slab cache gains you.
> There's no point in carefully tuning DNAME_INLINE_LEN for debug
> options - it's just code that will break and annoy people as debug
> implementations change.

lockbreak is not a debug option.

-Andi

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