From 4cdf8c4aa71094cb8ee7bf6402793c9df654c832 Mon Sep 17 00:00:00 2001
From: Jarl Evanson <jarl.evanson@herronhighschool.org>
Date: Mon, 3 Apr 2023 00:01:16 -0400
Subject: [PATCH] Fixed bug stemming from treating an exclusive range as an
inclusive range
---
common/src/load_kernel.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/common/src/load_kernel.rs b/common/src/load_kernel.rs
index fd977f2b..a79a404a 100644
--- a/common/src/load_kernel.rs
+++ b/common/src/load_kernel.rs
@@ -269,7 +269,7 @@ where
// map additional frames for `.bss` memory that is not present in source file
let start_page: Page =
Page::containing_address(VirtAddr::new(align_up(zero_start.as_u64(), Size4KiB::SIZE)));
- let end_page = Page::containing_address(zero_end);
+ let end_page = Page::containing_address(zero_end - 1u64);
for page in Page::range_inclusive(start_page, end_page) {
// allocate a new unused frame
let frame = self.frame_allocator.allocate_frame().unwrap();