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Date: Wed, 30 Nov 2011 19:47:48 +0100
From: Oleg Nesterov <oleg@redhat.com>
Subject: Re: [PATCH RFC 0/5] uprobes: kill xol vma
Message-ID: <20111130184748.GA7886@redhat.com>
References: <20111118110631.10512.73274.sendpatchset@srdronam.in.ibm.com> <20111128190614.GA4602@redhat.com> <20111129103040.GF13445@linux.vnet.ibm.com> <20111129182643.GB7339@redhat.com> <91601168bd8039233da8d91a07560f20.squirrel@www.firstfloor.org> <1322670031.2921.286.camel@twins>
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To: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <andi@firstfloor.org>, Srikar Dronamraju <srikar@linux.vnet.ibm.com>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, LKML <linux-kernel@vger.kernel.org>, Linux-mm <linux-mm@kvack.org>, Ingo Molnar <mingo@elte.hu>, 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>, Jim Keniston <jkenisto@linux.vnet.ibm.com>, Stephen Wilson <wilsons@start.ca>

On 11/30, Peter Zijlstra wrote:
>
> What we
> could do though is do a UPROBES_XOL_SLOT_BYTES * nr_cpu_ids bootmem
> allocation or so.

Agreed, this looks much better.

I'd prefer to do this in a separate patch to keep this change as simple
as possible.

Oleg.

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