Kernel: Give a name to the Master TLS region allocation

Author: https://github.com/itamar8910
Commit: 373e8bcbc7
Pull-request: https://github.com/SerenityOS/serenity/pull/6607
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/tomuta

Kernel/Syscalls/mmap.cpp

@@ -619,7 +619,7 @@ KResultOr<FlatPtr> Process::sys$allocate_tls(size_t size)
     if (!range.has_value())
         return ENOMEM;
 
-    auto region_or_error = space().allocate_region(range.value(), String(), PROT_READ | PROT_WRITE);
+    auto region_or_error = space().allocate_region(range.value(), String("Master TLS"), PROT_READ | PROT_WRITE);
     if (region_or_error.is_error())
         return region_or_error.error().error();