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From: Der Herr Hofrat <der.herr@mail.hofr.at>
Message-Id: <200209240854.g8O8sr407036@hofr.at>
Subject: Re: mmap question
In-Reply-To: <200209240726.g8O7QNA06595@hofr.at> from Der Herr Hofrat at "Sep
 24, 2002 09:26:23 am"
Date: Tue, 24 Sep 2002 10:54:53 +0200 (CEST)
CC: linux-kernel@vger.kernel.org
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> 
> int
> init_module(void){
> 	...
> 	kmalloc_area=kmalloc(LEN,GFP_USER);
> 	strncpy(kmalloc_area,init_msg,sizeof(init_msg));
> 	...
> }

found the problem (naturally after posting....) - forgot to mark 
the page as reserved...

	struct page *page;
	kmalloc_area=kmalloc(LEN,GFP_USER);
	page = virt_to_page(kmalloc_area); 
	mem_map_reserve(page);
	memcpy(kmalloc_area,msg,sizeof(msg));

hofrat
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