x86, pat: Generalize the use of page flag PG_uncached
authorVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Fri, 10 Jul 2009 16:57:37 +0000 (09:57 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 26 Aug 2009 22:41:22 +0000 (15:41 -0700)
commit46cf98cdaef5471926010b5bddf84c44ec177fdd
treee4be7eb533b1d6bb090ceaa8b1a50c0970bf0ef2
parent335ef896d4c6639849d79367f0fef9abc06d121b
x86, pat: Generalize the use of page flag PG_uncached

Only IA64 was using PG_uncached as of now. We now intend to use this bit
in x86 as well, to keep track of memory type of those addresses that
have page struct for them. So, generalize the use of that bit across
ia64 and x86.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/ia64/Kconfig
arch/x86/Kconfig
include/linux/page-flags.h