From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Fri, 16 Dec 2005 18:21:23 +0000 (-0800)
Subject: Make sure we copy pages inserted with "vm_insert_page()" on fork
X-Git-Tag: v2.6.15-rc6~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d7672b46244abffea1953e55688c0ea143dd617;p=pandora-kernel.git

Make sure we copy pages inserted with "vm_insert_page()" on fork

The logic that decides that a fork() might be able to avoid copying a VM
area when it can be re-created by page faults didn't know about the new
vm_insert_page() case.

Also make some things a bit more anal wrt VM_PFNMAP.

Pointed out by Hugh Dickins <hugh@veritas.com>

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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