diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/printk/printk.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 6f598f92f2a1..32ad0c7a0cd3 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -828,15 +828,21 @@ void log_buf_kexec_setup(void) /* requested log_buf_len from kernel cmdline */ static unsigned long __initdata new_log_buf_len; -/* save requested log_buf_len since it's too early to process it */ -static int __init log_buf_len_setup(char *str) +/* we practice scaling the ring buffer by powers of 2 */ +static void __init log_buf_len_update(unsigned size) { - unsigned size = memparse(str, &str); - if (size) size = roundup_pow_of_two(size); if (size > log_buf_len) new_log_buf_len = size; +} + +/* save requested log_buf_len since it's too early to process it */ +static int __init log_buf_len_setup(char *str) +{ + unsigned size = memparse(str, &str); + + log_buf_len_update(size); return 0; } |