page-types: introduce kpageflags_flags()

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wu Fengguang 2009-10-07 16:32:31 -07:00 committed by Linus Torvalds
parent e577ebde9f
commit 48640d69f5

View file

@ -436,6 +436,16 @@ static uint64_t well_known_flags(uint64_t flags)
return flags;
}
static uint64_t kpageflags_flags(uint64_t flags)
{
flags = expand_overloaded_flags(flags);
if (!opt_raw)
flags = well_known_flags(flags);
return flags;
}
/*
* page frame walker
*/
@ -470,10 +480,7 @@ static int hash_slot(uint64_t flags)
static void add_page(unsigned long voffset,
unsigned long offset, uint64_t flags)
{
flags = expand_overloaded_flags(flags);
if (!opt_raw)
flags = well_known_flags(flags);
flags = kpageflags_flags(flags);
if (!bit_mask_ok(flags))
return;