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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-04 07:24:48 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-04 07:24:48 +0000 |
| commit | cc12071ff39060fc2e47c58b43e249fe0d0061ee (patch) | |
| tree | 085789dec88100d2ac12d9f2c990c00b909d7ee2 /include/linux/bitops.h | |
| parent | 9717c1cea16e3eae81ca226f4c3670bb799b61ad (diff) | |
| parent | f3cc4e1d44a813a0685f2e558b78ace3db559722 (diff) | |
| download | lwn-cc12071ff39060fc2e47c58b43e249fe0d0061ee.tar.gz lwn-cc12071ff39060fc2e47c58b43e249fe0d0061ee.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"The rest of MM and the rest of everything else: hotfixes, ipc, misc,
procfs, lib, cleanups, arm"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (67 commits)
ARM: dma-api: fix max_pfn off-by-one error in __dma_supported()
treewide: remove redundant IS_ERR() before error code check
include/linux/cpumask.h: don't calculate length of the input string
lib: new testcases for bitmap_parse{_user}
lib: rework bitmap_parse()
lib: make bitmap_parse_user a wrapper on bitmap_parse
lib: add test for bitmap_parse()
bitops: more BITS_TO_* macros
lib/string: add strnchrnul()
proc: convert everything to "struct proc_ops"
proc: decouple proc from VFS with "struct proc_ops"
asm-generic/tlb: provide MMU_GATHER_TABLE_FREE
asm-generic/tlb: rename HAVE_MMU_GATHER_NO_GATHER
asm-generic/tlb: rename HAVE_MMU_GATHER_PAGE_SIZE
asm-generic/tlb: rename HAVE_RCU_TABLE_FREE
asm-generic/tlb: add missing CONFIG symbol
asm-gemeric/tlb: remove stray function declarations
asm-generic/tlb: avoid potential double flush
mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush
powerpc/mmu_gather: enable RCU_TABLE_FREE even for !SMP case
...
Diffstat (limited to 'include/linux/bitops.h')
| -rw-r--r-- | include/linux/bitops.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 6c7c4133c25c..47f54b459c26 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -11,8 +11,10 @@ # define aligned_byte_mask(n) (~0xffUL << (BITS_PER_LONG - 8 - 8*(n))) #endif -#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long)) +#define BITS_TO_U64(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(u64)) +#define BITS_TO_U32(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(u32)) #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char)) extern unsigned int __sw_hweight8(unsigned int w); |