X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/c3f8598f7b2e540e4040955f313a7d05de715c99..8328d66ad5de53d630db5b32a155404181733843:/lunaix-os/kernel/mm/pmm.c

diff --git a/lunaix-os/kernel/mm/pmm.c b/lunaix-os/kernel/mm/pmm.c
index 4503535..91f5460 100644
--- 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)