manager: define a string constant for LONG_MAX and use that for sysctl

This moves the formatting of the constant to compilation time and let's us
avoid asprintf() in the very hot path of initial boot.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/main.c b/src/core/main.c
index ffe5c1688a..df83a1d2d4 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1184,7 +1184,7 @@ static void bump_file_max_and_nr_open(void) {
 #if BUMP_PROC_SYS_FS_FILE_MAX
         /* The maximum the kernel allows for this since 5.2 is LONG_MAX, use that. (Previously things were
          * different, but the operation would fail silently.) */
-        r = sysctl_writef("fs/file-max", "%li", LONG_MAX);
+        r = sysctl_write("fs/file-max", LONG_MAX_STR);
         if (r < 0)
                 log_full_errno(IN_SET(r, -EROFS, -EPERM, -EACCES) ? LOG_DEBUG : LOG_WARNING,
                                r, "Failed to bump fs.file-max, ignoring: %m");