1 files changed, 0 insertions, 67 deletions
diff --git a/src/kernel/mm/pmm.cc b/src/kernel/mm/pmm.cc
index 09bd65b..3474a49 100644
--- a/src/kernel/mm/pmm.cc
+++ b/src/kernel/mm/pmm.cc
@@ -9,73 +9,6 @@
 extern "C" char kernel_end[];
 extern uint64 g_dtb_addr;
 
-// namespace PMM
-// {
-//     struct Run
-//     {
-//         struct Run *next;
-//     };
-
-//     struct
-//     {
-//         struct Run *freelist;
-//     } kmem;
-
-//     inline uint64_t PGROUNDUP(uint64_t a)
-//     {
-//         return (a + PGSIZE - 1) & ~(PGSIZE - 1);
-//     }
-
-//     void init()
-//     {
-//         uint64_t start = PGROUNDUP((uint64_t)kernel_end);
-
-//         Drivers::uart_puts("PMM: Initializing from");
-
-//         for (uint64_t p = start; p + PGSIZE <= PHYSTOP; p += PGSIZE)
-//         {
-//             free_page((void *)p);
-//         }
-//     }
-
-//     void free_page(void* pa)
-//     {
-//         struct Run *r;
-//         if (((uint64_t)pa % PGSIZE) != 0 || (uint64_t)pa < (uint64_t)kernel_end || (uint64_t)pa >= PHYSTOP)
-//         {
-//             Drivers::uart_puts("PMM: Error - Invalid free address\n");
-//             return;
-//         }
-//         r = (struct Run*)pa;
-
-//         r->next = kmem.freelist;
-//         kmem.freelist = r;
-        
-//     }
-
-//     void* alloc_page()
-//     {
-//         struct Run* r;
-
-//         r = kmem.freelist;
-//         if (r)
-//         {
-//             kmem.freelist = r->next;
-
-//             uint64_t *p = (uint64_t *)r;
-//             for (int i = 0; i < PGSIZE / 8; i++)
-//             {
-//                 p[i] = 0;
-//             }
-//         }
-//         else
-//         {
-//             Drivers::uart_puts("PMM: Out of memory!\n");
-//         }
-//         return (void *)r;
-//     }
-// }
-
 namespace PMM
 {
     // Global metadata array pointer