The maximum level is defined as P_L2_LEVELS and skip is defined with 6
bits, which means if P_L2_LEVELS < (1 << 6), skip never exceeds the
boundary.
Since this check is between two constants, which leverages compiler
to optimize the code based on different configuration.
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <
20190321082555.21118-7-richardw.yang@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
assert(valid_ptr < P_L2_SIZE);
/* Don't compress if it won't fit in the # of bits we have. */
- if (lp->skip + p[valid_ptr].skip >= (1 << 6)) {
+ if (P_L2_LEVELS >= (1 << 6) &&
+ lp->skip + p[valid_ptr].skip >= (1 << 6)) {
return;
}