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Date: Wed, 6 Jun 2007 18:00:24 -0700 (PDT)
From: Justin Treon <justin_treon_lkml@yahoo.com>
Subject: Re: [PATCH 2.6.21] cramfs: add cramfs Linear XIP
To: Jared Hulbert <jaredeh@gmail.com>, carsteno@de.ibm.com
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
       Andrew Morton <akpm@linux-foundation.org>,
       richard.griffiths@windriver.com,
       Richard Griffiths <res07ml0@verizon.net>, Linux-kernel@vger.kernel.org
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--- Jared Hulbert <jaredeh@gmail.com> wrote:
> The vma->flags = 1875 = 0x753
> 
> This is:
> VM_READ
> VM_WRITE
> VM_MAYREAD
> VM_MAYEXEC
> VM_GROWSDOWN
> VM_GROWSUP
> VM_PFNMAP
> 
There was a mistake in Jared's previous post in this
thread. The vm_flags were already in hex, i.e. 0x1875

The settings were:
VM_READ
VM_EXEC
VM_MAYREAD
VM_MAYWRITE
VM_MAYEXEC
VM_DENYWRITE
VM_EXECUTABLE

A possible problem source is that VM_PFNMAP is not set. 
Thus when vm_normal_page is called there is no associated
struct page.  

Justin Treon


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