On Fri, Sep 28, 2018 at 02:28:32PM +0300, Kirill Tkhai wrote: > do_shrink_slab() returns unsigned long value, and > the placing into int variable cuts high bytes off. > Then we compare ret and 0xfffffffe (since SHRINK_EMPTY > is converted to ret type). > > Thus, big number of objects returned by do_shrink_slab() > may be interpreted as SHRINK_EMPTY, if low bytes of > their value are equal to 0xfffffffe. Fix that > by declaration ret as unsigned long in these functions. > > Reported-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> > Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx> Thanks, Josef
