tor-browser

commit 5b01474e6d9b845c69e890a85bb3f47273d74069
parent 01b1c99fe5762056e116515cfa7b1c0c31ea3eff
Author: Andy Wingo <wingo@igalia.com>
Date:   Mon,  8 Dec 2025 16:02:51 +0000

Bug 1977854 - Remove a couple page-size-related definitions.  r=rhunt,bvisness

Differential Revision: https://phabricator.services.mozilla.com/D257721

Diffstat:
M
js/src/wasm/WasmConstants.h
 | 
4
----
M
js/src/wasm/WasmMemory.cpp
 | 
2
+-

2 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/js/src/wasm/WasmConstants.h b/js/src/wasm/WasmConstants.h
@@ -1134,10 +1134,6 @@ enum class FieldWideningOp { None, Signed, Unsigned };
 // requires the size of linear memory to always be a multiple of 64KiB.
 
 static const unsigned PageSize = 64 * 1024;
-static const unsigned PageBits = 16;
-static_assert(PageSize == (1u << PageBits));
-
-static const unsigned PageMask = ((1u << PageBits) - 1);
 
 // These limits are agreed upon with other engines for consistency.
 
diff --git a/js/src/wasm/WasmMemory.cpp b/js/src/wasm/WasmMemory.cpp
@@ -349,7 +349,7 @@ Pages wasm::ClampedMaxPages(AddressType t, Pages initialPages,
     // "a lot of memory". Maintain the invariant that initialPages <=
     // clampedMaxPages.
     static const uint64_t OneGib = 1 << 30;
-    static const Pages OneGibPages = Pages(OneGib >> wasm::PageBits);
+    static const Pages OneGibPages = Pages(OneGib / wasm::PageSize);
 
     Pages clampedPages = std::max(OneGibPages, initialPages);
     clampedMaxPages = std::min(clampedPages, clampedMaxPages);