Re: [PATCH] ppc64: update to use the new 4L headers

From: Chris Friesen
Date: Wed Apr 27 2005 - 21:06:36 EST

Nick Piggin wrote:

Just a bit off-topic: I wonder how many more of these open
coded pt walks exist in arch code (yes I see you've cleaned
yours up - good).

I know there's open coded walks outside the tree (I maintain one) due to there being no suitable function available from with in it...

I needed something like:

pte_t *va_to_ptep_map(struct mm_struct *mm, unsigned int addr)

There was code in follow_page() that did basically what I needed, but it was all contained within that function so I had to re-implement it.


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