From fa382494b0dbec5f43058f4fff76e923472c321b Mon Sep 17 00:00:00 2001
From: ablechen <17895010372@163.com>
Date: Wed, 2 Nov 2022 10:10:02 +0000
Subject: [PATCH] fix some useless codes

---
 code/os/02-memanagement/page.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/code/os/02-memanagement/page.c b/code/os/02-memanagement/page.c
index b0f1924..fddddd4 100644
--- a/code/os/02-memanagement/page.c
+++ b/code/os/02-memanagement/page.c
@@ -117,8 +117,8 @@ void *page_alloc(int npages)
 			 * meet a free page, continue to check if following
 			 * (npages - 1) pages are also unallocated.
 			 */
-			struct Page *page_j = page_i;
-			for (int j = i; j < (i + npages); j++) {
+			struct Page *page_j = page_i+1;
+			for (int j = i+1; j < (i + npages); j++) {
 				if (!_is_free(page_j)) {
 					found = 0;
 					break;
-- 
Gitee