/proc/self/numa_maps: restore "huge" tag for hugetlb vmas

The display of the "huge" tag was accidentally removed in 29ea2f698 ("mm:
use walk_page_range() instead of custom page table walking code").

Reported-by: Stephen Hemminger <[email protected]>
Tested-by: Stephen Hemminger <[email protected]>
Reviewed-by: Stephen Wilson <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: Hugh Dickins <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Lee Schermerhorn <[email protected]>
Cc: Alexey Dobriyan <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 5afaa58a863012d83a69763b2e65c9db67fe2ada..c7d4ee663f1437b2226ab3d33a348e8985a78f4f 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1039,6 +1039,9 @@ static int show_numa_map(struct seq_file *m, void *v)
                seq_printf(m, " stack");
        }
 
+       if (is_vm_hugetlb_page(vma))
+               seq_printf(m, " huge");
+
        walk_page_range(vma->vm_start, vma->vm_end, &walk);
 
        if (!md->pages)