[PATCH v3] mm/memcontrol: use kstrtobool for swapaccount param parsing

From: Liu Shixin
Date: Tue Sep 13 2022 - 02:40:44 EST


Use kstrtobool which is more powerful to handle all kinds of parameters
like 'Yy1Nn0' or [oO][NnFf] for "on" and "off".

Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
---
mm/memcontrol.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 0a1a8a846870..5511c0c120d9 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -7434,10 +7434,10 @@ bool mem_cgroup_swap_full(struct folio *folio)

static int __init setup_swap_account(char *s)
{
- if (!strcmp(s, "1"))
- cgroup_memory_noswap = false;
- else if (!strcmp(s, "0"))
- cgroup_memory_noswap = true;
+ bool res;
+
+ if (!kstrtobool(s, &res))
+ cgroup_memory_noswap = !res;
return 1;
}
__setup("swapaccount=", setup_swap_account);
--
2.25.1