On 4/12/22 20:29, Peng Liu wrote: > When __setup() return '0', using invalid option values causes the > entire kernel boot option string to be reported as Unknown. Hugetlb > calls __setup() and will return '0' when set invalid parameter > string. > > The following phenomenon is observed: > cmdline: > hugepagesz=1Y hugepages=1 > dmesg: > HugeTLB: unsupported hugepagesz=1Y > HugeTLB: hugepages=1 does not follow a valid hugepagesz, ignoring > Unknown kernel command line parameters "hugepagesz=1Y hugepages=1" > > Since hugetlb will print warning/error information before return for > invalid parameter string, just use return '1' to avoid print again. > > Signed-off-by: Peng Liu <liupeng256@xxxxxxxxxx> > --- > mm/hugetlb.c | 16 ++++++++-------- > 1 file changed, 8 insertions(+), 8 deletions(-) Thank you for cleaning this up! Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> -- Mike Kravetz