On Fri, Sep 14, 2018 at 12:53:00PM -0700, Paul Burton wrote: > Hi Mike, > > On Mon, Sep 10, 2018 at 12:23:18PM +0300, Mike Rapoport wrote: > > MIPS already has memblock support and all the memory is already registered > > with it. > > > > This patch replaces bootmem memory reservations with memblock ones and > > removes the bootmem initialization. > > > > Since memblock allocates memory in top-down mode, we ensure that memblock > > limit is max_low_pfn to prevent allocations from the high memory. > > > > To have the exceptions base in the lower 512M of the physical memory, its > > allocation in arch/mips/kernel/traps.c::traps_init() is using bottom-up > > mode. > > > > Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> > > --- > > v2: > > * set memblock limit to max_low_pfn to avoid allocation attempts from high > > memory > > * use boottom-up mode for allocation of the exceptions base > > > > Build tested with *_defconfig. > > Boot tested with qemu-system-mips64el for 32r6el, 64r6el and fuloong2e > > defconfigs. > > Boot tested with qemu-system-mipsel for malta defconfig. > > > > arch/mips/Kconfig | 1 + > > arch/mips/kernel/setup.c | 99 ++++++++-------------------------- > > arch/mips/kernel/traps.c | 3 ++ > > arch/mips/loongson64/loongson-3/numa.c | 34 ++++++------ > > arch/mips/sgi-ip27/ip27-memory.c | 11 ++-- > > 5 files changed, 46 insertions(+), 102 deletions(-) > > Thanks - applied to mips-next for 4.20. > > Apologies for the delay, my son decided to be born a few weeks early & > scupper my plans :) Congratulations! :) > Paul > -- Sincerely yours, Mike.
