feat: msync(2)

[lunaix-os.git] / lunaix-os / kernel / process / sched.c

diff --git a/lunaix-os/kernel/process/sched.c b/lunaix-os/kernel/process/sched.c
index f0c0a988c97d59c9f30bdff81266ac7cac4aae44..1c6bd977833145e61061d124eda41c96a7532818 100644 (file)
--- a/lunaix-os/kernel/process/sched.c
+++ b/lunaix-os/kernel/process/sched.c
@@ -7,6 +7,7 @@
 #include <lunaix/fs/taskfs.h>
 #include <lunaix/mm/cake.h>
 #include <lunaix/mm/kalloc.h>
+#include <lunaix/mm/mmap.h>
 #include <lunaix/mm/pmm.h>
 #include <lunaix/mm/valloc.h>
 #include <lunaix/mm/vmm.h>
@@ -330,7 +331,7 @@ alloc_process()
     proc->fxstate =
       vzalloc_dma(512); // FXSAVE需要十六位对齐地址，使用DMA块（128位对齐）
 
-    llist_init_head(&proc->mm.regions.head);
+    llist_init_head(&proc->mm.regions);
     llist_init_head(&proc->tasks);
     llist_init_head(&proc->children);
     llist_init_head(&proc->grp_member);
@@ -400,17 +401,18 @@ destroy_process(pid_t pid)
     vfree(proc->fdtable);
     vfree_dma(proc->fxstate);
 
+    vmm_mount_pd(VMS_MOUNT_1, proc->page_table);
+
     struct mm_region *pos, *n;
-    llist_for_each(pos, n, &proc->mm.regions.head, head)
+    llist_for_each(pos, n, &proc->mm.regions, head)
     {
+        mem_sync_pages(VMS_MOUNT_1, pos, pos->start, pos->end - pos->start, 0);
         vfree(pos);
     }
 
-    vmm_mount_pd(PD_MOUNT_1, proc->page_table);
-
-    __del_pagetable(pid, PD_MOUNT_1);
+    __del_pagetable(pid, VMS_MOUNT_1);
 
-    vmm_unmount_pd(PD_MOUNT_1);
+    vmm_unmount_pd(VMS_MOUNT_1);
 
     cake_release(proc_pile, proc);