]> nv-tegra.nvidia Code Review - linux-2.6.git/commit
Make sure we copy pages inserted with "vm_insert_page()" on fork
authorLinus Torvalds <torvalds@g5.osdl.org>
Fri, 16 Dec 2005 18:21:23 +0000 (10:21 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 16 Dec 2005 18:21:23 +0000 (10:21 -0800)
commit4d7672b46244abffea1953e55688c0ea143dd617
tree9f3bdf438bcb0d5f6e723665ced23308fffb8368
parent281ab031a8c9e5b593142eb4ec59a87faae8676a
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>
include/linux/mm.h
mm/memory.c
mm/mmap.c
mm/mremap.c