From e3de0bdced81720fd904ff38d7c62fc55764c42f Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Tue, 20 Jul 2021 19:24:53 +0200
Subject: global PAGE_MASK define

it's pretty useful, so it makes sense to define it alongside PAGE_SIZE
---
 src/kernel/mem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'src/kernel/mem.c')

diff --git a/src/kernel/mem.c b/src/kernel/mem.c
index 1fce506..5684bb7 100644
--- a/src/kernel/mem.c
+++ b/src/kernel/mem.c
@@ -7,13 +7,12 @@ static void *highest_page;
 void mem_init(struct kmain_info *info) {
 	// finds the highest used page, and starts allocating pages above it
 	void *highest = &_bss_end;
-	size_t page_mask = PAGE_SIZE - 1;
 
 	if (highest < info->init.at + info->init.size)
 		highest = info->init.at + info->init.size;
 
 	// align up to PAGE_SIZE
-	highest_page = (void*)(((uintptr_t)highest + page_mask) & ~page_mask);
+	highest_page = (void*)(((uintptr_t)highest + PAGE_MASK) & ~PAGE_MASK);
 }
 
 void *page_alloc(size_t pages) {
-- 
cgit v1.2.3