# git rev-parse -q --verify 70585216fe7730d9fb5453d3e2804e149d0fe201^{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 70585216fe7730d9fb5453d3e2804e149d0fe201^{commit}
70585216fe7730d9fb5453d3e2804e149d0fe201
# git checkout -q -f -B kisskb 70585216fe7730d9fb5453d3e2804e149d0fe201
# git clean -qxdf
# < git log -1
# commit 70585216fe7730d9fb5453d3e2804e149d0fe201
# Merge: 6b00bc639f1f ccbd6283a9b6
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Jun 16 09:40:28 2021 -0700
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge misc fixes from Andrew Morton:
#      "18 patches.
#     
#       Subsystems affected by this patch series: mm (memory-failure, swap,
#       slub, hugetlb, memory-failure, slub, thp, sparsemem), and coredump"
#     
#     * emailed patches from Andrew Morton <akpm@linux-foundation.org>:
#       mm/sparse: fix check_usemap_section_nr warnings
#       mm: thp: replace DEBUG_VM BUG with VM_WARN when unmap fails for split
#       mm/thp: unmap_mapping_page() to fix THP truncate_cleanup_page()
#       mm/thp: fix page_address_in_vma() on file THP tails
#       mm/thp: fix vma_address() if virtual address below file offset
#       mm/thp: try_to_unmap() use TTU_SYNC for safe splitting
#       mm/thp: make is_huge_zero_pmd() safe and quicker
#       mm/thp: fix __split_huge_pmd_locked() on shmem migration entry
#       mm, thp: use head page in __migration_entry_wait()
#       mm/slub.c: include swab.h
#       crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo
#       mm/memory-failure: make sure wait for page writeback in memory_failure
#       mm/hugetlb: expand restore_reserve_on_error functionality
#       mm/slub: actually fix freelist pointer vs redzoning
#       mm/slub: fix redzoning for small allocations
#       mm/slub: clarify verification reporting
#       mm/swap: fix pte_same_as_swp() not removing uffd-wp bit when compare
#       mm,hwpoison: fix race with hugetlb page allocation
# < /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 70585216fe7730d9fb5453d3e2804e149d0fe201
# < make -s -j 10 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
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 10 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 10 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
# make -s -j 10 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-  
/kisskb/src/arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
/kisskb/src/arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
libbpf.c:47:20: fatal error: libelf.h: No such file or directory
compilation terminated.
make[6]: *** [/kisskb/src/tools/build/Makefile.build:97: /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4/kernel/bpf/preload/staticobjs/libbpf.o] Error 1
make[5]: *** [Makefile:158: /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4/kernel/bpf/preload/staticobjs/libbpf-in.o] Error 2
make[4]: *** [/kisskb/src/kernel/bpf/preload/Makefile:11: kernel/bpf/preload/libbpf.a] Error 2
make[3]: *** [/kisskb/src/scripts/Makefile.build:515: kernel/bpf/preload] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:515: kernel/bpf] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1847: kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:215: __sub-make] Error 2
Command 'make -s -j 10 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-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:06:45.870848