!761 Support jemalloc 4.X

Merge pull request !761 from wonghiu45/jemalloc_support

musl_template.gni

@@ -241,17 +241,25 @@ template("musl_libs") {
 
       "-U_FORTIFY_SOURCE",
 
-      "-DOHOS_ENABLE_TCACHE",
+      "-DOHOS_ENABLE_TCACHE",  # For jemalloc 5.X
+      "-DJEMALLOC_TCACHE",  # For jemalloc 4.X
       "-DOHOS_LG_TCACHE_MAXCLASS_DEFAULT=16",
-      "-DOHOS_NUM_ARENAS=2",
+      "-DOHOS_NUM_ARENAS=2",  # For jemalloc 5.X
+      "-DOHOS_MAX_ARENAS=2",  # For jemalloc 4.X
       "-DOHOS_TCACHE_NSLOTS_SMALL_MAX=8",
       "-DOHOS_TCACHE_NSLOTS_LARGE=16",
     ]
 
     if (musl_arch == "arm") {
-      cflags += [ "-march=armv7-a" ]
+      cflags += [
+        "-march=armv7-a",
+        "-DOHOS_LG_CHUNK_DEFAULT=19",  # For jemalloc 4.X
+      ]
     } else if (musl_arch == "aarch64") {
-      cflags += [ "-march=armv8" ]
+      cflags += [
+        "-march=armv8",
+        "-DOHOS_LG_CHUNK_DEFAULT=19",  # For jemalloc 4.X
+      ]
     } else if (musl_arch == "x86_64") {
       cflags += [ "-march=x86-64" ]
     }