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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-07 10:34:51 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-07 10:34:51 +0300 |
commit | a48b0872e69428d3d02994dcfad3519f01def7fa (patch) | |
tree | 20617cba7bbb16d36faf79204ca69abc214d6c38 /include/linux/align.h | |
parent | 05da1f643f00ae9aabb8318709e40579789b7c64 (diff) | |
parent | baf2f90ba416cd887d7f54cc877d8764f6775de2 (diff) | |
download | linux-a48b0872e69428d3d02994dcfad3519f01def7fa.tar.xz |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
"This is everything else from -mm for this merge window.
90 patches.
Subsystems affected by this patch series: mm (cleanups and slub),
alpha, procfs, sysctl, misc, core-kernel, bitmap, lib, compat,
checkpatch, epoll, isofs, nilfs2, hpfs, exit, fork, kexec, gcov,
panic, delayacct, gdb, resource, selftests, async, initramfs, ipc,
drivers/char, and spelling"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (90 commits)
mm: fix typos in comments
mm: fix typos in comments
treewide: remove editor modelines and cruft
ipc/sem.c: spelling fix
fs: fat: fix spelling typo of values
kernel/sys.c: fix typo
kernel/up.c: fix typo
kernel/user_namespace.c: fix typos
kernel/umh.c: fix some spelling mistakes
include/linux/pgtable.h: few spelling fixes
mm/slab.c: fix spelling mistake "disired" -> "desired"
scripts/spelling.txt: add "overflw"
scripts/spelling.txt: Add "diabled" typo
scripts/spelling.txt: add "overlfow"
arm: print alloc free paths for address in registers
mm/vmalloc: remove vwrite()
mm: remove xlate_dev_kmem_ptr()
drivers/char: remove /dev/kmem for good
mm: fix some typos and code style problems
ipc/sem.c: mundane typo fixes
...
Diffstat (limited to 'include/linux/align.h')
-rw-r--r-- | include/linux/align.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/align.h b/include/linux/align.h new file mode 100644 index 000000000000..2b4acec7b95a --- /dev/null +++ b/include/linux/align.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_ALIGN_H +#define _LINUX_ALIGN_H + +#include <linux/const.h> + +/* @a is a power of 2 value */ +#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) +#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) +#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask)) +#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) +#define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a))) +#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) + +#endif /* _LINUX_ALIGN_H */ |