# git rev-parse -q --verify 596cf45cbf6e4fa7bcb0df33e373a7d062b644b5^{commit}
596cf45cbf6e4fa7bcb0df33e373a7d062b644b5
already have revision, skipping fetch
# git checkout -q -f -B kisskb 596cf45cbf6e4fa7bcb0df33e373a7d062b644b5
# git clean -qxdf
# < git log -1
# commit 596cf45cbf6e4fa7bcb0df33e373a7d062b644b5
# Merge: c3bfc5dd73c6 937790699be9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Dec 1 20:36:41 2019 -0800
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge updates from Andrew Morton:
#      "Incoming:
#     
#        - a small number of updates to scripts/, ocfs2 and fs/buffer.c
#     
#        - most of MM
#     
#       I still have quite a lot of material (mostly not MM) staged after
#       linux-next due to -next dependencies. I'll send those across next week
#       as the preprequisites get merged up"
#     
#     * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (135 commits)
#       mm/page_io.c: annotate refault stalls from swap_readpage
#       mm/Kconfig: fix trivial help text punctuation
#       mm/Kconfig: fix indentation
#       mm/memory_hotplug.c: remove __online_page_set_limits()
#       mm: fix typos in comments when calling __SetPageUptodate()
#       mm: fix struct member name in function comments
#       mm/shmem.c: cast the type of unmap_start to u64
#       mm: shmem: use proper gfp flags for shmem_writepage()
#       mm/shmem.c: make array 'values' static const, makes object smaller
#       userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK
#       fs/userfaultfd.c: wp: clear VM_UFFD_MISSING or VM_UFFD_WP during userfaultfd_register()
#       userfaultfd: wrap the common dst_vma check into an inlined function
#       userfaultfd: remove unnecessary WARN_ON() in __mcopy_atomic_hugetlb()
#       userfaultfd: use vma_pagesize for all huge page size calculation
#       mm/madvise.c: use PAGE_ALIGN[ED] for range checking
#       mm/madvise.c: replace with page_size() in madvise_inject_error()
#       mm/mmap.c: make vma_merge() comment more easy to understand
#       mm/hwpoison-inject: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops
#       autonuma: reduce cache footprint when scanning page tables
#       autonuma: fix watermark checking in migrate_balanced_pgdat()
#       ...
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version
# < git log --format=%s --max-count=1 596cf45cbf6e4fa7bcb0df33e373a7d062b644b5
# < make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  defconfig
# make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/sched/core.c: In function 'try_to_wake_up':
/kisskb/src/kernel/sched/core.c:2649:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec':
/kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info.isra.31':
/kisskb/src/net/bridge/br_netlink.c:587:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1377:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb':
/kisskb/src/net/core/devlink.c:4613:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c:2081:42: warning: 'end' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/fs/proc/inode.c:374:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/ocfs2/alloc.c: In function 'ocfs2_trim_mainbm':
/kisskb/src/fs/ocfs2/alloc.c:7608:17: warning: 'first_bit' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c: In function 'tun_get_user':
/kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_s390-defconfig_s390x
# Build took: 0:05:18.718673