Use the existing THREAD_SIZE_ORDER definition instead of calculating it
from THREAD_SIZE and PAGE_SIZE.
Signed-off-by: Geert Uytterhoeven <[email protected]>
---
kernel/fork.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/fork.c b/kernel/fork.c
index 0d944e92a43ffa13..e79fdfe1f0bf4953 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -252,9 +252,9 @@ static int memcg_charge_kernel_stack(struct vm_struct *vm)
int ret;
int nr_charged = 0;
- BUG_ON(vm->nr_pages != THREAD_SIZE / PAGE_SIZE);
+ BUG_ON(vm->nr_pages != THREAD_SIZE_ORDER);
- for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++) {
+ for (i = 0; i < THREAD_SIZE_ORDER; i++) {
ret = memcg_kmem_charge_page(vm->pages[i], GFP_KERNEL, 0);
if (ret)
goto err;
@@ -535,7 +535,7 @@ static void account_kernel_stack(struct task_struct *tsk, int account)
struct vm_struct *vm = task_stack_vm_area(tsk);
int i;
- for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++)
+ for (i = 0; i < THREAD_SIZE_ORDER; i++)
mod_lruvec_page_state(vm->pages[i], NR_KERNEL_STACK_KB,
account * (PAGE_SIZE / 1024));
} else {
@@ -556,7 +556,7 @@ void exit_task_stack_account(struct task_struct *tsk)
int i;
vm = task_stack_vm_area(tsk);
- for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++)
+ for (i = 0; i < THREAD_SIZE_ORDER; i++)
memcg_kmem_uncharge_page(vm->pages[i], 0);
}
}
--
2.34.1