This series convert totalram_pages, totalhigh_pages and zone->managed_pages to atomic variables. The patch was comiple tested on x86(x86_64_defconfig & i386_defconfig) on 4.20-rc1. And memory hotplug tested on arm64, but on an older version of kernel. Arun KS (4): mm: Fix multiple evaluvations of totalram_pages and managed_pages mm: Convert zone->managed_pages to atomic variable mm: convert totalram_pages and totalhigh_pages variables to atomic mm: Remove managed_page_count spinlock arch/csky/mm/init.c | 4 +- arch/powerpc/platforms/pseries/cmm.c | 10 ++-- arch/s390/mm/init.c | 2 +- arch/um/kernel/mem.c | 3 +- arch/x86/kernel/cpu/microcode/core.c | 5 +- drivers/char/agp/backend.c | 4 +- drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 2 +- drivers/gpu/drm/i915/i915_gem.c | 2 +- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +- drivers/hv/hv_balloon.c | 19 +++---- drivers/md/dm-bufio.c | 2 +- drivers/md/dm-crypt.c | 2 +- drivers/md/dm-integrity.c | 2 +- drivers/md/dm-stats.c | 2 +- drivers/media/platform/mtk-vpu/mtk_vpu.c | 2 +- drivers/misc/vmw_balloon.c | 2 +- drivers/parisc/ccio-dma.c | 4 +- drivers/parisc/sba_iommu.c | 4 +- drivers/staging/android/ion/ion_system_heap.c | 2 +- drivers/xen/xen-selfballoon.c | 6 +-- fs/ceph/super.h | 2 +- fs/file_table.c | 7 +-- fs/fuse/inode.c | 2 +- fs/nfs/write.c | 2 +- fs/nfsd/nfscache.c | 2 +- fs/ntfs/malloc.h | 2 +- fs/proc/base.c | 2 +- include/linux/highmem.h | 28 ++++++++++- include/linux/mm.h | 27 +++++++++- include/linux/mmzone.h | 15 +++--- include/linux/swap.h | 1 - kernel/fork.c | 5 +- kernel/kexec_core.c | 5 +- kernel/power/snapshot.c | 2 +- lib/show_mem.c | 2 +- mm/highmem.c | 4 +- mm/huge_memory.c | 2 +- mm/kasan/quarantine.c | 2 +- mm/memblock.c | 6 +-- mm/mm_init.c | 2 +- mm/oom_kill.c | 2 +- mm/page_alloc.c | 71 +++++++++++++-------------- mm/shmem.c | 7 +-- mm/slab.c | 2 +- mm/swap.c | 2 +- mm/util.c | 2 +- mm/vmalloc.c | 4 +- mm/vmstat.c | 4 +- mm/workingset.c | 2 +- mm/zswap.c | 4 +- net/dccp/proto.c | 7 +-- net/decnet/dn_route.c | 2 +- net/ipv4/tcp_metrics.c | 2 +- net/netfilter/nf_conntrack_core.c | 7 +-- net/netfilter/xt_hashlimit.c | 5 +- net/sctp/protocol.c | 7 +-- security/integrity/ima/ima_kexec.c | 2 +- 57 files changed, 193 insertions(+), 142 deletions(-) -- 1.9.1
