| Message ID | 2208534.bqAiu8Kgku@wuerfel |
|---|---|
| State | New |
| Headers | show |
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 60ab72e38f78..faacb0c0d857 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -126,6 +126,7 @@ unsigned long task_statm(struct mm_struct *mm, static int is_stack(struct proc_maps_private *priv, struct vm_area_struct *vma, int is_pid) { + struct mm_struct *mm = vma->vm_mm; int stack = 0; if (is_pid) {
A recent revert left an incomplete function in fs/proc/task_nommu.c, causing a build error for any NOMMU configuration with procfs: fs/proc/task_nommu.c:132:28: error: 'mm' undeclared (first use in this function) stack = vma->vm_start <= mm->start_stack && Evidently, there is just a missing variable that is available in the calling function but not inside of is_stack(). This adds it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: e87d4fd02f40 ("proc: revert /proc/<pid>/maps [stack:TID] annotation") --- This came up today on my ARM randconfig builds with linux-next. I did not run the kernel to see if the code actually works, but it seems straightforward enough.