Resolves: bz1097904 https://bugzilla.redhat.com/show_bug.cgi?id=1097904
This is back ported from upstream directly. commit 0fa73b86ef0797ca4fde5334117ca0b330f08030 Author: Andrew Morton <[email protected]> Date: Wed Jul 3 15:02:11 2013 -0700 include/linux/mm.h: add PAGE_ALIGNED() helper To test whether an address is aligned to PAGE_SIZE. Cc: HATAYAMA Daisuke <[email protected]> Cc: "Eric W. Biederman" <[email protected]>, Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Baoquan He <[email protected]> --- include/linux/mm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 21c2c99..8d490e0 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -55,6 +55,9 @@ extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *, /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) +/* test whether an address (unsigned long or pointer) is aligned to PAGE_SIZE */ +#define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)addr, PAGE_SIZE) + /* * Linux kernel virtual memory manager primitives. * The idea being to have a "virtual" mm in the same way -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
