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-rw-r--r--kernel/fork.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 2e391c754ae7..accb7221d547 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -164,12 +164,20 @@ static struct thread_info *alloc_thread_info_node(struct task_struct *tsk,
struct page *page = alloc_kmem_pages_node(node, THREADINFO_GFP,
THREAD_SIZE_ORDER);
+ if (page)
+ memcg_kmem_update_page_stat(page, MEMCG_KERNEL_STACK,
+ 1 << THREAD_SIZE_ORDER);
+
return page ? page_address(page) : NULL;
}
static inline void free_thread_info(struct thread_info *ti)
{
- free_kmem_pages((unsigned long)ti, THREAD_SIZE_ORDER);
+ struct page *page = virt_to_page(ti);
+
+ memcg_kmem_update_page_stat(page, MEMCG_KERNEL_STACK,
+ -(1 << THREAD_SIZE_ORDER));
+ __free_kmem_pages(page, THREAD_SIZE_ORDER);
}
# else
static struct kmem_cache *thread_info_cache;