The patchset adds a hugetlb_cma boot option, which allows to reserve a cma area which can be later used for 1 GB hugepages allocations. v5: 1) made the hugetlb_cma work if a cma reservation fails on some nodes v4: 1) added a patch from Aslan, which is adding a useful function to cma 2) removed the hard-coded archs list from docs 3) added a warning printing on non-supported archs 4) hugetlb_lock is temporarily dropped in update_and_free_page() Thanks! Aslan Bakirov (1): mm: cma: NUMA node interface Roman Gushchin (1): mm: hugetlb: optionally allocate gigantic hugepages using cma .../admin-guide/kernel-parameters.txt | 8 ++ arch/arm64/mm/init.c | 6 + arch/x86/kernel/setup.c | 4 + include/linux/cma.h | 13 ++- include/linux/hugetlb.h | 12 ++ include/linux/memblock.h | 3 + mm/cma.c | 16 +-- mm/hugetlb.c | 109 ++++++++++++++++++ mm/memblock.c | 2 +- 9 files changed, 163 insertions(+), 10 deletions(-) -- 2.25.1
