[wasm] Increase WebAssembly.Memory maximum size to ~2GB

src/wasm/wasm-limits.h

Index: src/wasm/wasm-limits.h
diff --git a/src/wasm/wasm-limits.h b/src/wasm/wasm-limits.h
index c2ecf616573519f6004888f4f5c86a965dc5d2bf..0ebd61d7b5b9f151a1346fc6ea45c5b062c0104c 100644
--- a/src/wasm/wasm-limits.h
+++ b/src/wasm/wasm-limits.h
@@ -22,7 +22,7 @@ constexpr size_t kV8MaxWasmExports = 100000;
 constexpr size_t kV8MaxWasmGlobals = 1000000;
 constexpr size_t kV8MaxWasmDataSegments = 100000;
 // Don't use this limit directly, but use the value of FLAG_wasm_max_mem_pages.
-constexpr size_t kV8MaxWasmMemoryPages = 16384;  // = 1 GiB
+constexpr size_t kV8MaxWasmMemoryPages = 32767;  // ~ 2 GiB

[bradnelson, 2017/06/13 23:34:23]

Explain why not all the way up.

[gdeepti, 2017/06/14 00:28:16]

Done.

 constexpr size_t kV8MaxWasmStringSize = 100000;
 constexpr size_t kV8MaxWasmModuleSize = 1024 * 1024 * 1024;  // = 1 GiB
 constexpr size_t kV8MaxWasmFunctionSize = 128 * 1024;