X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/09a115a4c07e26b3a978c693c0d6d17abea80479..a362b4b2c4abbf2da6ec14cb44a8685a81107f6a:/lunaix-os/kernel/mm/pmm.c

diff --git a/lunaix-os/kernel/mm/pmm.c b/lunaix-os/kernel/mm/pmm.c
index 4503535..3ebe22a 100644
--- a/lunaix-os/kernel/mm/pmm.c
+++ b/lunaix-os/kernel/mm/pmm.c
@@ -30,7 +30,7 @@ pmm_mark_chunk_free(uintptr_t start_ppn, size_t page_count)
 
 void
 pmm_mark_chunk_occupied(pid_t owner,
-                        uint32_t start_ppn,
+                        u32_t start_ppn,
                         size_t page_count,
                         pp_attr_t attr)
 {
@@ -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)
@@ -140,7 +140,7 @@ pmm_ref_page(pid_t owner, void* page)
 {
     (void*)owner; // TODO: do smth with owner
 
-    uint32_t ppn = (uintptr_t)page >> 12;
+    u32_t ppn = (uintptr_t)page >> 12;
 
     if (ppn >= PM_BMP_MAX_SIZE) {
         return 0;
@@ -158,7 +158,7 @@ pmm_ref_page(pid_t owner, void* page)
 struct pp_struct*
 pmm_query(void* pa)
 {
-    uint32_t ppn = (uintptr_t)pa >> 12;
+    u32_t ppn = (uintptr_t)pa >> 12;
 
     if (ppn >= PM_BMP_MAX_SIZE) {
         return NULL;