fs, proc: remove priv argument from is_stack

Commit b18cb64ead40 ("fs/proc: Stop trying to report thread stacks")
removed the priv parameter user in is_stack so the argument is
redundant.  Drop it.

[arnd@arndb.de: remove unused variable]
Link: http://lkml.kernel.org/r/20170801120150.1520051-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/20170728075833.7241-1-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 281880c..d671f1e 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -268,8 +268,7 @@ static int do_maps_open(struct inode *inode, struct file *file,
  * Indicate if the VMA is a stack for the given task; for
  * /proc/PID/maps that is the stack of the main task.
  */
-static int is_stack(struct proc_maps_private *priv,
-                   struct vm_area_struct *vma)
+static int is_stack(struct vm_area_struct *vma)
 {
        /*
         * We make no effort to guess what a given thread considers to be
@@ -302,7 +301,6 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
 {
        struct mm_struct *mm = vma->vm_mm;
        struct file *file = vma->vm_file;
-       struct proc_maps_private *priv = m->private;
        vm_flags_t flags = vma->vm_flags;
        unsigned long ino = 0;
        unsigned long long pgoff = 0;
@@ -350,7 +348,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
                        goto done;
                }
 
-               if (is_stack(priv, vma))
+               if (is_stack(vma))
                        name = "[stack]";
        }
 
@@ -1768,7 +1766,7 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
                seq_file_path(m, file, "\n\t= ");
        } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) {
                seq_puts(m, " heap");
-       } else if (is_stack(proc_priv, vma)) {
+       } else if (is_stack(vma)) {
                seq_puts(m, " stack");
        }
 

diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 2326669..dea90b5 100644 (file)
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -125,8 +125,7 @@ unsigned long task_statm(struct mm_struct *mm,
        return size;
 }
 
-static int is_stack(struct proc_maps_private *priv,
-                   struct vm_area_struct *vma)
+static int is_stack(struct vm_area_struct *vma)
 {
        struct mm_struct *mm = vma->vm_mm;
 
@@ -178,7 +177,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
        if (file) {
                seq_pad(m, ' ');
                seq_file_path(m, file, "");
-       } else if (mm && is_stack(priv, vma)) {
+       } else if (mm && is_stack(vma)) {
                seq_pad(m, ' ');
                seq_printf(m, "[stack]");
        }