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Andrea Arcangeli authored
This avoid userspace mm corruption during COWs with threads (i.e. malloc;fork;clone) on x86 PAE with >4G of ram Signed-Off-By: Andrea Arcangeli <andrea@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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