From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Subject: Re: Maximum size for memory registration (ibv_reg_mr)
Date: Fri, 24 Sep 2010 15:36:54 -0700
Message-ID: <adar5giahvd.fsf@cisco.com>
References: <036401cb5c35$85829220$9087b660$@edu>
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In-Reply-To: <036401cb5c35$85829220$9087b660$@edu> (Bharath Ramesh's message
	of "Fri, 24 Sep 2010 18:12:05 -0400")
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To: Bharath Ramesh <bramesh-PjAqaU27lzQ@public.gmane.org>
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 > Is there any limit on the maximum size of memory that can be registered
 > using ibv_reg_mr. I am using OFED-1.4.2 stack, and when I try to pass a size
 > greater than 16GB ibv_reg_mr returns NULL. The total amount of physical
 > memory on the node is 48GB, max locked memory(ulimit -l) is set to
 > unlimited.

The limit depends on the HCA.
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