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 :) Paul
