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| author | Andrew Morton <akpm@linux-foundation.org> | 2009-09-24 14:47:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 17:11:24 -0700 |
| commit | c44972f1782124f945ec8bea8a78f30f1a3538bd (patch) | |
| tree | f804afc972b794100547383b5ca8e1936a91c3aa /fs/proc/array.c | |
| parent | b9b9df62e7fd6b5f099c24bc867100ab86e1da5a (diff) | |
| download | linux-c44972f1782124f945ec8bea8a78f30f1a3538bd.tar.gz linux-c44972f1782124f945ec8bea8a78f30f1a3538bd.tar.bz2 linux-c44972f1782124f945ec8bea8a78f30f1a3538bd.zip | |
procfs: disable per-task stack usage on NOMMU
It needs walk_page_range().
Reported-by: Michal Simek <monstr@monstr.eu>
Tested-by: Michal Simek <monstr@monstr.eu>
Cc: Stefani Seibold <stefani@seibold.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 0c6bc602e6c4..07f77a7945c3 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -322,6 +322,8 @@ static inline void task_context_switch_counts(struct seq_file *m, p->nivcsw); } +#ifdef CONFIG_MMU + struct stack_stats { struct vm_area_struct *vma; unsigned long startpage; @@ -402,6 +404,11 @@ static inline void task_show_stack_usage(struct seq_file *m, mmput(mm); } } +#else +static void task_show_stack_usage(struct seq_file *m, struct task_struct *task) +{ +} +#endif /* CONFIG_MMU */ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) |