On 09.09.22 10:39, Liu Shixin wrote:
module_param_call is now completely consistent with module_param_cb, so
there is no need to keep two macros. Convert module_param_call to
module_param_cb since former is obsolete and latter is more kernel-ish.
Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
---
mm/shuffle.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)
diff --git a/mm/shuffle.c b/mm/shuffle.c
index c13c33b247e8..fb1393b8b3a9 100644
--- a/mm/shuffle.c
+++ b/mm/shuffle.c
@@ -12,23 +12,22 @@
DEFINE_STATIC_KEY_FALSE(page_alloc_shuffle_key);
static bool shuffle_param;
-static int shuffle_show(char *buffer, const struct kernel_param *kp)
-{
- return sprintf(buffer, "%c\n", shuffle_param ? 'Y' : 'N');
-}
-static __meminit int shuffle_store(const char *val,
+static __meminit int shuffle_param_set(const char *val,
const struct kernel_param *kp)
{
- int rc = param_set_bool(val, kp);
-
- if (rc < 0)
- return rc;
- if (shuffle_param)
+ if (param_set_bool(val, kp))
+ return -EINVAL;
+ if (*(bool *)kp->arg)
static_branch_enable(&page_alloc_shuffle_key);
return 0;
}
-module_param_call(shuffle, shuffle_store, shuffle_show, &shuffle_param, 0400);
+
+static const struct kernel_param_ops shuffle_param_ops = {
+ .set = shuffle_param_set,
+ .get = param_get_bool,
+};
+module_param_cb(shuffle, &shuffle_param_ops, &shuffle_param, 0400);
/*
* For two pages to be swapped in the shuffle, they must be free (on a
LGTM
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
--
Thanks,
David / dhildenb
