Richard Weinberger a044b505aa um: Implement a custom pte_same() function ...

commit f15b9000eb upstream.

UML uses the _PAGE_NEWPAGE flag to mark pages which are not jet
installed on the host side using mmap().
pte_same() has to ignore this flag, otherwise unuse_pte_range()
is unable to unuse the page because two identical
page tables entries with different _PAGE_NEWPAGE flags would not
match and swapoff() would never return.

Analyzed-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2012-06-01 15:12:55 +08:00

..

asm

um: Implement a custom pte_same() function

2012-06-01 15:12:55 +08:00

shared

um: add earlyprintk support

2011-05-25 08:39:41 -07:00