The patch titled
mm: use const struct page for r/o page-flag accessor methods
has been added to the -mm tree. Its filename is
mm-use-const-struct-page-for-r-o-page-flag-accessor-methods.patch
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Subject: mm: use const struct page for r/o page-flag accessor methods
From: Ian Campbell <ian.campbell@xxxxxxxxxx>
In a subsquent patch I have a const struct page in my hand...
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/page-flags.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/page-flags.h~mm-use-const-struct-page-for-r-o-page-flag-accessor-methods include/linux/page-flags.h
--- a/include/linux/page-flags.h~mm-use-const-struct-page-for-r-o-page-flag-accessor-methods
+++ a/include/linux/page-flags.h
@@ -135,7 +135,7 @@ enum pageflags {
* Macros to create function definitions for page flags
*/
#define TESTPAGEFLAG(uname, lname) \
-static inline int Page##uname(struct page *page) \
+static inline int Page##uname(const struct page *page) \
{ return test_bit(PG_##lname, &page->flags); }
#define SETPAGEFLAG(uname, lname) \
@@ -173,7 +173,7 @@ static inline int __TestClearPage##uname
__SETPAGEFLAG(uname, lname) __CLEARPAGEFLAG(uname, lname)
#define PAGEFLAG_FALSE(uname) \
-static inline int Page##uname(struct page *page) \
+static inline int Page##uname(const struct page *page) \
{ return 0; }
#define TESTSCFLAG(uname, lname) \
_
Patches currently in -mm which might be from ian.campbell@xxxxxxxxxx are
mm-make-some-struct-pages-const.patch
mm-use-const-struct-page-for-r-o-page-flag-accessor-methods.patch
linux-next.patch
mm-extend-memory-hotplug-api-to-allow-memory-hotplug-in-virtual-machines.patch
mm-extend-memory-hotplug-api-to-allow-memory-hotplug-in-virtual-machines-fix.patch
xen-balloon-memory-hotplug-support-for-xen-balloon-driver.patch
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