# git rev-parse -q --verify 6cad420cc695867b4ca710bac21fde21a4102e4b^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 6cad420cc695867b4ca710bac21fde21a4102e4b^{commit}
6cad420cc695867b4ca710bac21fde21a4102e4b
# git checkout -q -f -B kisskb 6cad420cc695867b4ca710bac21fde21a4102e4b
# git clean -qxdf
# < git log -1
# commit 6cad420cc695867b4ca710bac21fde21a4102e4b
# Merge: 7be97138e727 77d6b9094819
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Apr 2 13:55:34 2020 -0700
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge updates from Andrew Morton:
#      "A large amount of MM, plenty more to come.
#     
#       Subsystems affected by this patch series:
#        - tools
#        - kthread
#        - kbuild
#        - scripts
#        - ocfs2
#        - vfs
#        - mm: slub, kmemleak, pagecache, gup, swap, memcg, pagemap, mremap,
#              sparsemem, kasan, pagealloc, vmscan, compaction, mempolicy,
#              hugetlbfs, hugetlb"
#     
#     * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (155 commits)
#       include/linux/huge_mm.h: check PageTail in hpage_nr_pages even when !THP
#       mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS
#       selftests/vm: fix map_hugetlb length used for testing read and write
#       mm/hugetlb: remove unnecessary memory fetch in PageHeadHuge()
#       mm/hugetlb.c: clean code by removing unnecessary initialization
#       hugetlb_cgroup: add hugetlb_cgroup reservation docs
#       hugetlb_cgroup: add hugetlb_cgroup reservation tests
#       hugetlb: support file_region coalescing again
#       hugetlb_cgroup: support noreserve mappings
#       hugetlb_cgroup: add accounting for shared mappings
#       hugetlb: disable region_add file_region coalescing
#       hugetlb_cgroup: add reservation accounting for private mappings
#       mm/hugetlb_cgroup: fix hugetlb_cgroup migration
#       hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations
#       hugetlb_cgroup: add hugetlb_cgroup reservation counter
#       hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race
#       hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization
#       mm/memblock.c: remove redundant assignment to variable max_addr
#       mm: mempolicy: require at least one nodeid for MPOL_PREFERRED
#       mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk()
#       ...
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 6cad420cc695867b4ca710bac21fde21a4102e4b
# < make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0x9F958CA0
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
.config:4882:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:04:54.092152