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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2026-03-12 20:44:42 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2026-03-12 20:44:42 +0300 |
| commit | 0421ccdfad0d92713a812a5aeb7d07b0ea7213c8 (patch) | |
| tree | 9a648660192c72df7e815216f0908fdabc735f0c /include/linux/math.h | |
| parent | 6d4b67a2a76a4ff2393fe88119ae4332821b82b4 (diff) | |
| parent | 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681 (diff) | |
| download | linux-0421ccdfad0d92713a812a5aeb7d07b0ea7213c8.tar.xz | |
Merge tag 'v7.0-rc3' into next
Sync up with the mainline to brig up the latest changes, specifically
changes to ALPS driver.
Diffstat (limited to 'include/linux/math.h')
| -rw-r--r-- | include/linux/math.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/math.h b/include/linux/math.h index 0198c92cbe3e..6dc1d1d32fbc 100644 --- a/include/linux/math.h +++ b/include/linux/math.h @@ -148,11 +148,16 @@ __STRUCT_FRACT(u32) /** * abs - return absolute value of an argument - * @x: the value. If it is unsigned type, it is converted to signed type first. - * char is treated as if it was signed (regardless of whether it really is) - * but the macro's return type is preserved as char. + * @x: the value. * - * Return: an absolute value of x. + * If it is unsigned type, @x is converted to signed type first. + * char is treated as if it was signed (regardless of whether it really is) + * but the macro's return type is preserved as char. + * + * NOTE, for signed type if @x is the minimum, the returned result is undefined + * as there is not enough bits to represent it as a positive number. + * + * Return: an absolute value of @x. */ #define abs(x) __abs_choose_expr(x, long long, \ __abs_choose_expr(x, long, \ |