X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/d96f52f65ecb90e26be9bd709fbdb1de54795db1..642855f81fd03b9fd6540ac99c665b57b4b38cc8:/lunaix-os/kernel/process/process.c diff --git a/lunaix-os/kernel/process/process.c b/lunaix-os/kernel/process/process.c index 74c9380..9cef1f8 100644 --- a/lunaix-os/kernel/process/process.c +++ b/lunaix-os/kernel/process/process.c @@ -142,9 +142,12 @@ init_proc_user_space(struct proc_info* pcb) /*--- 分配用户栈 ---*/ + struct mm_region* stack_vm; + + stack_vm = region_create( + USTACK_END, USTACK_TOP, REGION_RW | REGION_RSHARED | REGION_ANON); // 注册用户栈区域 - region_add( - &pcb->mm.regions, USTACK_END, USTACK_TOP, REGION_RW | REGION_RSHARED); + region_add(&pcb->mm.regions, stack_vm); // 预留地址空间,具体物理页将由Page Fault Handler按需分配。 for (uintptr_t i = PG_ALIGN(USTACK_END); i < USTACK_TOP; i += PG_SIZE) { @@ -211,7 +214,7 @@ dup_proc() // 根据 mm_region 进一步配置页表 struct mm_region *pos, *n; - llist_for_each(pos, n, &pcb->mm.regions.head, head) + llist_for_each(pos, n, &pcb->mm.regions, head) { // 如果写共享,则不作处理。 if ((pos->attr & REGION_WSHARED)) {