From 1a9d3e3e5438f2800e6e5ce0b22d1b4ac6745e00 Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gbeutner@serenityos.org>
Date: Mon, 28 Jun 2021 13:46:59 +0200
Subject: [PATCH] Kernel: Add a sanity check for CHUNK_SIZE

Also fixes a spelling mistake in the same file.
---
 Kernel/Heap/Heap.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Kernel/Heap/Heap.h b/Kernel/Heap/Heap.h
index 58f55db983..794568bd8a 100644
--- a/Kernel/Heap/Heap.h
+++ b/Kernel/Heap/Heap.h
@@ -27,6 +27,8 @@ class Heap {
         u8 data[0];
     };
 
+    static_assert(CHUNK_SIZE >= sizeof(AllocationHeader));
+
     static size_t calculate_chunks(size_t memory_size)
     {
         return (sizeof(u8) * memory_size) / (sizeof(u8) * CHUNK_SIZE + 1);
@@ -61,7 +63,7 @@ public:
 
         Optional<size_t> first_chunk;
 
-        // Choose the right politic for allocation.
+        // Choose the right policy for allocation.
         constexpr u32 best_fit_threshold = 128;
         if (chunks_needed < best_fit_threshold) {
             first_chunk = m_bitmap.find_first_fit(chunks_needed);