linux-kernel - Re: Re: [PATCH -tip v7 24/26] kprobes: Enlarge hash table to 4096 entries

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Date:	Mon, 3 Mar 2014 18:20:50 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Sandeepa Prabhu <sandeepa.prabhu@...aro.org>,
	Frederic Weisbecker <fweisbec@...il.com>, x86@...nel.org,
	Steven Rostedt <rostedt@...dmis.org>, fche@...hat.com,
	mingo@...hat.com, systemtap@...rceware.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Re: [PATCH -tip v7 24/26] kprobes: Enlarge hash table to 4096
 entries

> So, we can see the hash table larger than 2^9 (512 entries,
> which consumes 4KB) has no performance improvement.
> Would you think 4kB is still big for kprobes? :)

4KB should be fine. Thanks for evaluating.

-Andi

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