Dmitriy Zavin 3b17167283
[PATCH] Add 64bit jiffies compares (for use with get_jiffies_64) ...
The current time_before/time_after macros will fail typechecks
when passed u64 values (as returned by get_jiffies_64()). On 64bit
systems, this will just result in a warning about mismatching types
without explicit casts, but since unsigned long and u64
(unsigned long long) are of same size, it will still work.
On 32bit systems, a long is 32bits, so the value from get_jiffies_64()
will be truncated by the cast and thus lose all the precision gained by
64bit jiffies.
Signed-off-by: Dmitriy Zavin <dmitriyz@google.com >
Signed-off-by: Andi Kleen <ak@suse.de >
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3b17167283