mm: swap: use str_true_false() helper function

Remove hard-coded strings by using the helper function str_true_false().

Link: https://lkml.kernel.org/r/20241016141040.79168-2-thorsten.blum@linux.dev
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 4669f29cf555748c9c3245a370a613dbfca37d76..e0c0321b8ff71c3ab00044e1ca505a6f001680d0 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -889,8 +889,7 @@ struct folio *swapin_readahead(swp_entry_t entry, gfp_t gfp_mask,
 static ssize_t vma_ra_enabled_show(struct kobject *kobj,
                                     struct kobj_attribute *attr, char *buf)
 {
-       return sysfs_emit(buf, "%s\n",
-                         enable_vma_readahead ? "true" : "false");
+       return sysfs_emit(buf, "%s\n", str_true_false(enable_vma_readahead));
 }
 static ssize_t vma_ra_enabled_store(struct kobject *kobj,
                                      struct kobj_attribute *attr,