Index: firefox-146.0.1/memory/build/Chunk.cpp
===================================================================
--- firefox-146.0.1.orig/memory/build/Chunk.cpp
+++ firefox-146.0.1/memory/build/Chunk.cpp
@@ -270,7 +270,7 @@ static void* pages_map(void* aAddr, size
   for (hint = start; region == MAP_FAILED && hint + aSize <= end;
        hint += kChunkSize) {
     region =
-        mmap((void*)hint, aSize, committed ? PROT_READ | PROT_WRITE : PROT_NONE,
+        mmap((void*)hint, aSize, should_commit ? PROT_READ | PROT_WRITE : PROT_NONE,
              MAP_PRIVATE | MAP_ANON, -1, 0);
     if (region != MAP_FAILED) {
       if (((size_t)region + (aSize - 1)) & 0xffff800000000000) {