fix: PS/2 keyboard initialization sequence

[lunaix-os.git] / lunaix-os / kernel / mm / pmm.c

diff --git a/lunaix-os/kernel/mm/pmm.c b/lunaix-os/kernel/mm/pmm.c
index 450353538d6d17d38ad02ec7a3ee88d2fdec5488..91f5460ab175680273ccb5e8082ce979dcc09188 100644 (file)
--- a/lunaix-os/kernel/mm/pmm.c
+++ b/lunaix-os/kernel/mm/pmm.c
@@ -43,7 +43,7 @@ pmm_mark_chunk_occupied(pid_t owner,
 // 我们跳过位于0x0的页。我们不希望空指针是指向一个有效的内存空间。
 #define LOOKUP_START 1
 
-size_t pg_lookup_ptr;
+volatile size_t pg_lookup_ptr;
 
 void
 pmm_init(uintptr_t mem_upper_lim)