On Wed, Mar 18, 2020 at 3:07 PM Mike Kravetz <mike.kravetz@xxxxxxxxxx> wrote: > > The architecture independent routine hugetlb_default_setup sets up > the default huge pages size. It has no way to verify if the passed > value is valid, so it accepts it and attempts to validate at a later > time. This requires undocumented cooperation between the arch specific > and arch independent code. > > For architectures that support more than one huge page size, provide > a routine arch_hugetlb_valid_size to validate a huge page size. > hugetlb_default_setup can use this to validate passed values. > > arch_hugetlb_valid_size will also be used in a subsequent patch to > move processing of the "hugepagesz=" in arch specific code to a common > routine in arch independent code. > > Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> > --- > arch/arm64/include/asm/hugetlb.h | 2 ++ > arch/arm64/mm/hugetlbpage.c | 19 ++++++++++++++----- > arch/powerpc/include/asm/hugetlb.h | 3 +++ > arch/powerpc/mm/hugetlbpage.c | 20 +++++++++++++------- > arch/riscv/include/asm/hugetlb.h | 3 +++ > arch/riscv/mm/hugetlbpage.c | 28 ++++++++++++++++++---------- > arch/s390/include/asm/hugetlb.h | 3 +++ > arch/s390/mm/hugetlbpage.c | 18 +++++++++++++----- > arch/sparc/include/asm/hugetlb.h | 3 +++ > arch/sparc/mm/init_64.c | 23 ++++++++++++++++------- > arch/x86/include/asm/hugetlb.h | 3 +++ > arch/x86/mm/hugetlbpage.c | 21 +++++++++++++++------ > include/linux/hugetlb.h | 7 +++++++ > mm/hugetlb.c | 16 +++++++++++++--- > 14 files changed, 126 insertions(+), 43 deletions(-) > With build fixes: Acked-by: Mina Almasry <almasrymina@xxxxxxxxxx>
