diff options
Diffstat (limited to 'arch/riscv/kernel/vmem.c')
| -rw-r--r-- | arch/riscv/kernel/vmem.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/riscv/kernel/vmem.c b/arch/riscv/kernel/vmem.c index 80644bd..bf49716 100644 --- a/arch/riscv/kernel/vmem.c +++ b/arch/riscv/kernel/vmem.c @@ -97,11 +97,6 @@ void map_vmem(struct vm_branch_t *branch, while (top != order) { size_t idx = vm_to_index(vaddr, top); - if (is_branch(branch->leaf[idx])){ - __destroy_branch(branch->leaf[idx]); - branch->leaf[idx] = 0; - } - if (!branch->leaf[idx]) branch->leaf[idx] = __create_leaf(); @@ -111,6 +106,9 @@ void map_vmem(struct vm_branch_t *branch, } size_t idx = vm_to_index(vaddr, top); + if (is_branch(branch->leaf[idx])) /* something has gone terribly wrong */ + __destroy_branch(branch->leaf[idx]); + branch->leaf[idx] = (struct vm_branch_t *)to_pte(paddr, flags); } |