Re: [PATCH] fix update_mmu_cache in fremap.c

From: David Miller <davem_at_davemloft.net>
Date: 2006-05-27 09:37:28
From: Hugh Dickins <hugh@veritas.com>
Date: Fri, 26 May 2006 23:43:47 +0100 (BST)

> Sure it's important for not-previously-present mappings, when you're
> installing a present pte.  But the "file pte" being installed by
> install_file_pte is not a real pte - it's a non-present entry (like
> a swap entry), noting what file offset should be mapped there when
> there's a fault (in a non-linear vma where that's not obvious).

My bad, the update_mmu_cache() certainly is erroneous in that
case.

Thanks for the clarification.
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Received on Sat May 27 09:37:54 2006

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