[RFC 18/18] proc: present VM_LOCKED memory in /proc/self/maps

[Topi Miettinen]

Add a flag to /proc/self/maps to show that the memory area is locked.

Signed-off-by: Topi Miettinen <toiwo...@gmail.com>
---
 fs/proc/task_mmu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 4648c7f..8229509 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -313,13 +313,14 @@ show_map_vma(struct seq_file *m, struct vm_area_struct 
*vma, int is_pid)
                end -= PAGE_SIZE;
 
        seq_setwidth(m, 25 + sizeof(void *) * 6 - 1);
-       seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ",
+       seq_printf(m, "%08lx-%08lx %c%c%c%c%c %08llx %02x:%02x %lu ",
                        start,
                        end,
                        flags & VM_READ ? 'r' : '-',
                        flags & VM_WRITE ? 'w' : '-',
                        flags & VM_EXEC ? 'x' : '-',
                        flags & VM_MAYSHARE ? 's' : 'p',
+                       flags & VM_LOCKED ? 'l' : '-',
                        pgoff,
                        MAJOR(dev), MINOR(dev), ino);
 
-- 
2.8.1