[RFC 10/18] limits: track RLIMIT_STACK actual max

[Topi Miettinen]

Track maximum stack size, presented in /proc/self/limits.

Signed-off-by: Topi Miettinen <toiwoton@xxxxxxxxx>
---
 mm/mmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/mmap.c b/mm/mmap.c
index 61867de..0963e7f 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2019,6 +2019,8 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
 	if (security_vm_enough_memory_mm(mm, grow))
 		return -ENOMEM;
 
+	bump_rlimit(RLIMIT_STACK, actual_size);
+
 	return 0;
 }
 
-- 
2.8.1