From ab196b484a4b901886c449f9eebb5e8c8efa290a Mon Sep 17 00:00:00 2001
From: Andrew Kaster <akaster@serenityos.org>
Date: Tue, 6 Jul 2021 20:37:44 -0600
Subject: [PATCH] Kernel: Add formatter for Kernel::Range

This is very useful when debugging memory allocation in the kernel
---
 Kernel/VM/Range.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Kernel/VM/Range.h b/Kernel/VM/Range.h
index 8976e424c9..2cad9b71d9 100644
--- a/Kernel/VM/Range.h
+++ b/Kernel/VM/Range.h
@@ -58,3 +58,11 @@ private:
 };
 
 }
+
+template<>
+struct AK::Formatter<Kernel::Range> : Formatter<FormatString> {
+    void format(FormatBuilder& builder, Kernel::Range value)
+    {
+        return Formatter<FormatString>::format(builder, "{} - {} (size 0x{:08x})", value.base().as_ptr(), value.base().offset(value.size() - 1).as_ptr(), value.size());
+    }
+};