On Mon, Sep 09, 2019 at 11:23:35AM +0100, Dmitry Safonov wrote: > Shift on s64 is faster than division, use it instead. > > As the result of the patch there is a hardly user-visible effect: > poll(), select(), etc syscalls will be a bit more precise on ~2.3% > than before because 1000 != 1024 :) > > Signed-off-by: Dmitry Safonov <[email protected]> > --- > fs/select.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/fs/select.c b/fs/select.c > index 12cdefd3be2d..2477c202631e 100644 > --- a/fs/select.c > +++ b/fs/select.c > @@ -51,15 +51,14 @@ > > static long __estimate_accuracy(ktime_t slack) > { > - int divfactor = 1000; > - > if (slack < 0) > return 0;
Btw, don't you better use <= here?
