7171936: LOG_G incorrectly defined in globalDefinitions.hpp

Summary: Removed LOG_G and LOG_K. Moved LOG_M to where it is being used.
Reviewed-by: twisti, johnc

src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp

@@ -1106,7 +1106,8 @@ HeapRegionRemSet::HeapRegionRemSet(G1BlockOffsetSharedArray* bosa,
 void HeapRegionRemSet::setup_remset_size() {
   // Setup sparse and fine-grain tables sizes.
   // table_size = base * (log(region_size / 1M) + 1)
-  int region_size_log_mb = MAX2((int)HeapRegion::LogOfHRGrainBytes - (int)LOG_M, 0);
+  const int LOG_M = 20;
+  int region_size_log_mb = MAX2(HeapRegion::LogOfHRGrainBytes - LOG_M, 0);
   if (FLAG_IS_DEFAULT(G1RSetSparseRegionEntries)) {
     G1RSetSparseRegionEntries = G1RSetSparseRegionEntriesBase * (region_size_log_mb + 1);
   }

src/share/vm/utilities/globalDefinitions.hpp

@@ -161,10 +161,6 @@ const size_t M                  = K*K;
 const size_t G                  = M*K;
 const size_t HWperKB            = K / sizeof(HeapWord);
 
-const size_t LOG_K              = 10;
-const size_t LOG_M              = 2 * LOG_K;
-const size_t LOG_G              = 2 * LOG_M;
-
 const jint min_jint = (jint)1 << (sizeof(jint)*BitsPerByte-1); // 0x80000000 == smallest jint
 const jint max_jint = (juint)min_jint - 1;                     // 0x7FFFFFFF == largest jint