DuanZhenzhong <zhenzhong.duan at oracle.com> writes: > From: Zhenzhong Duan <zhenzhong.duan at oracle.com> > > When add crashkernel=2M-256M, kernel don't give any warning. > This is misleading sometimes. That seems reasonable. Andrew do you want to carry this one. I don't have a good tree to stash this in. Acked-by: "Eric W. Biederman" <ebiederm at xmission.com> > Signed-off-by: Zhenzhong Duan <zhenzhong.duan at oracle.com> > --- > kernel/kexec.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/kernel/kexec.c b/kernel/kexec.c > index 7b08867..0a6d147 100644 > --- a/kernel/kexec.c > +++ b/kernel/kexec.c > @@ -1359,6 +1359,10 @@ static int __init parse_crashkernel_simple(char *cmdline, > > if (*cur == '@') > *crash_base = memparse(cur+1, &cur); > + else if (*cur != ' ' && *cur != '\0') { > + pr_warning("crashkernel: unrecognized char\n"); > + return -EINVAL; > + } > > return 0; > } > -- 1.7.3