mm: make use of str_true_false helper

The helper str_true_false() was introduced to return "true/false" string
literal.  We can simplify this format by str_true_false.

Link: https://lkml.kernel.org/r/20240827024517.914100-3-lihongbo22@huawei.com
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Cc: Andy Shevchenko <andy@kernel.org>
Cc: Anna Schumaker <anna@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Trond Myklebust <trondmy@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/memory-tiers.c b/mm/memory-tiers.c
index 4775b3a3dabe6bd583e016261d44025de2775888..af9f5b0d6f1beca9c2839f29db8799612e4cbfda 100644 (file)
--- a/mm/memory-tiers.c
+++ b/mm/memory-tiers.c
@@ -921,8 +921,7 @@ bool numa_demotion_enabled = false;
 static ssize_t demotion_enabled_show(struct kobject *kobj,
                                     struct kobj_attribute *attr, char *buf)
 {
-       return sysfs_emit(buf, "%s\n",
-                         numa_demotion_enabled ? "true" : "false");
+       return sysfs_emit(buf, "%s\n", str_true_false(numa_demotion_enabled));
 }
 
 static ssize_t demotion_enabled_store(struct kobject *kobj,