diff options
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r-- | include/linux/kernel.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 9a43ad792cfc..46ac9a50528d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h | |||
@@ -56,6 +56,14 @@ | |||
56 | 56 | ||
57 | #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) | 57 | #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) |
58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) | 58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
59 | #define DIV_ROUND_UP_ULL(ll,d) \ | ||
60 | ({ unsigned long long _tmp = (ll)+(d)-1; do_div(_tmp, d); _tmp; }) | ||
61 | |||
62 | #if BITS_PER_LONG == 32 | ||
63 | # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d) | ||
64 | #else | ||
65 | # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP(ll,d) | ||
66 | #endif | ||
59 | 67 | ||
60 | /* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */ | 68 | /* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */ |
61 | #define roundup(x, y) ( \ | 69 | #define roundup(x, y) ( \ |