diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2003-01-02 01:09:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2003-01-02 01:09:28 -0800 |
| commit | 8bde3aa9073fcb0961431a7aad3ed27c52b62268 (patch) | |
| tree | 7d37de485831ea5bb133991f60ede475264e8cb8 /include/linux | |
| parent | 50b6a4a52b83a314a40d4bfaae6f278cfa635f7b (diff) | |
[PATCH] better compat_jiffies_to_clock_t
By a suggestion from David Mosberger: use this new version of
compat_jiffies_to_clock_t, which is more appropriate on 64-bit hosts
that don't have overflow issues.
It does better rounding and will not fail if COMPAT_USER_HZ > HZ.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compat.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 62daefb17672..3f634baef539 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -9,9 +9,11 @@ #ifdef CONFIG_COMPAT #include <linux/stat.h> +#include <linux/param.h> /* for HZ */ #include <asm/compat.h> -#define compat_jiffies_to_clock_t(x) ((x) / (HZ / COMPAT_USER_HZ)) +#define compat_jiffies_to_clock_t(x) \ + (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) struct compat_utimbuf { compat_time_t actime; |