On Tue, 2016-12-13 at 19:34 +0530, Aneesh Kumar K.V wrote: > generic hugetlbfs can handle that condition correctly. With HPAGE_SHIFT = 0 > we get > [0.241333] hugetlbfs: disabling because there are no supported hugepage sizes > > bash-4.2# echo 30 > /proc/sys/vm/nr_hugepages > bash: echo: write error: Operation not supported > > Fixes: "powerpc: get hugetlbpage handling more generic" > Reported-by: Chris Smart <csm...@ozlabs.au.ibm.com> > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Acked-By: Michael Neuling <mi...@neuling.org> > --- > arch/powerpc/mm/hugetlbpage.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c > index 289df38fb7e0..e46bbd716832 100644 > --- a/arch/powerpc/mm/hugetlbpage.c > +++ b/arch/powerpc/mm/hugetlbpage.c > @@ -852,9 +852,6 @@ static int __init hugetlbpage_init(void) > else if (mmu_psize_defs[MMU_PAGE_2M].shift) > HPAGE_SHIFT = mmu_psize_defs[MMU_PAGE_2M].shift; > #endif > - else > - panic("%s: Unable to set default huge page size\n", > __func__); > - > return 0; > } >