From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-mm <linux-mm@kvack.org>, Ingo Molnar <mingo@elte.hu>,
Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Roland McGrath <roland@hack.frob.com>,
Thomas Gleixner <tglx@linutronix.de>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Anton Arapov <anton@redhat.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
tulasidhard@gmail.com, Jim Keniston <jkenisto@linux.vnet.ibm.com>
Subject: Re: Fwd: uprobes: register/unregister probes.
Date: Thu, 24 Nov 2011 12:18:53 +0530 [thread overview]
Message-ID: <20111124064853.GA28065@linux.vnet.ibm.com> (raw)
In-Reply-To: <fe077f71-dce6-40cf-988c-cc35bf4c7ae1@o11g2000prg.googlegroups.com>
>
> On Fri, 2011-11-18 at 16:37 +0530, Srikar Dronamraju wrote:
> > +#define UPROBES_HASH_SZ 13
> > +/* serialize (un)register */
> > +static struct mutex uprobes_mutex[UPROBES_HASH_SZ];
> > +#define uprobes_hash(v) (&uprobes_mutex[((unsigned long)(v)) %\
> > + UPROBES_HASH_SZ])
>
> Was there any reason to for using this hasing scheme, say over hash.h?
There is no specific reason for choosing this hashing scheme over the
current. I just say ext4_aio_mutex in fs/ext4/ext4.h and did something
similar.
--
Thanks and Regards
Srikar
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next parent reply other threads:[~2011-11-24 6:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <hYuXv-26J-3@gated-at.bofh.it>
[not found] ` <hYuXw-26J-5@gated-at.bofh.it>
[not found] ` <i0o1A-7sd-9@gated-at.bofh.it>
[not found] ` <fe077f71-dce6-40cf-988c-cc35bf4c7ae1@o11g2000prg.googlegroups.com>
2011-11-24 6:48 ` Srikar Dronamraju [this message]
[not found] ` <i0nRU-7eK-11@gated-at.bofh.it>
[not found] ` <603b0079-5f54-4299-9a9a-a5e237ccca73@l23g2000pro.googlegroups.com>
2011-11-24 7:03 ` Fwd: uprobes: register/unregister probes Srikar Dronamraju
2011-11-24 9:49 ` Peter Zijlstra
2011-11-24 14:51 ` Srikar Dronamraju
2011-11-24 16:34 ` Peter Zijlstra
2011-11-24 9:49 ` Srikar Dronamraju
2011-11-24 10:00 ` Peter Zijlstra
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