diff options
| author | YueHaibing | 2018-12-28 00:40:00 -0800 |
|---|---|---|
| committer | Linus Torvalds | 2018-12-28 12:11:52 -0800 |
| commit | 0f4991e8fd48987ae476a92cdee6bfec4aff31b8 (patch) | |
| tree | ac2c4d96bde3b7782b89f99b3561c84b7b7d857a | |
| parent | 7056d3a37d2c6aaaab10c13e8e69adc67ec1fc65 (diff) | |
kernel/fork.c: mark 'stack_vm_area' with __maybe_unused
Fixes gcc '-Wunused-but-set-variable' warning when CONFIG_VMAP_STACK is
not set:
kernel/fork.c: In function 'dup_task_struct':
kernel/fork.c:843:20: warning:
variable 'stack_vm_area' set but not used [-Wunused-but-set-variable]
Link: http://lkml.kernel.org/r/1545965190-2381-1-git-send-email-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | kernel/fork.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index c979605fe806..d439c48ecf18 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -841,7 +841,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node) { struct task_struct *tsk; unsigned long *stack; - struct vm_struct *stack_vm_area; + struct vm_struct *stack_vm_area __maybe_unused; int err; if (node == NUMA_NO_NODE) |