Setting "crashkernel=512M-2G:64M,2G-:128M" does not work but it turns to work if it has a trailing-whitespace, like "crashkernel=512M-2G:64M,2G-:128M ". It was because of a bug in the parser, running over the cmdline. This patch adds a check of the termination. Reported-by: Jin Dongming <jin.dongming at np.css.fujitsu.com> Signed-off-by: Hidetoshi Seto <seto.hidetoshi at jp.fujitsu.com> Tested-by: Jin Dongming <jin.dongming at np.css.fujitsu.com> --- kernel/kexec.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/kexec.c b/kernel/kexec.c index ae1c352..f336e21 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1228,7 +1228,7 @@ static int __init parse_crashkernel_mem(char *cmdline, } while (*cur++ == ','); if (*crash_size > 0) { - while (*cur != ' ' && *cur != '@') + while (*cur && *cur != ' ' && *cur != '@') cur++; if (*cur == '@') { cur++; -- 1.6.0