# git rev-parse -q --verify cb0856346a60fe3eb837ba5e73588a41f81ac05f^{commit}
cb0856346a60fe3eb837ba5e73588a41f81ac05f
already have revision, skipping fetch
# git checkout -q -f -B kisskb cb0856346a60fe3eb837ba5e73588a41f81ac05f
# git clean -qxdf
# < git log -1
# commit cb0856346a60fe3eb837ba5e73588a41f81ac05f
# Merge: 23990b1affd2 ef832747a82d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Apr 19 17:55:45 2023 -0700
# 
#     Merge tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
#     
#     Pull misc fixes from Andrew Morton:
#      "22 hotfixes.
#     
#       19 are cc:stable and the remainder address issues which were
#       introduced during this merge cycle, or aren't considered suitable for
#       -stable backporting.
#     
#       19 are for MM and the remainder are for other subsystems"
#     
#     * tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
#       nilfs2: initialize unused bytes in segment summary blocks
#       mm: page_alloc: skip regions with hugetlbfs pages when allocating 1G pages
#       mm/mmap: regression fix for unmapped_area{_topdown}
#       maple_tree: fix mas_empty_area() search
#       maple_tree: make maple state reusable after mas_empty_area_rev()
#       mm: kmsan: handle alloc failures in kmsan_ioremap_page_range()
#       mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush()
#       tools/Makefile: do missed s/vm/mm/
#       mm: fix memory leak on mm_init error handling
#       mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock
#       kernel/sys.c: fix and improve control flow in __sys_setres[ug]id()
#       Revert "userfaultfd: don't fail on unrecognized features"
#       writeback, cgroup: fix null-ptr-deref write in bdi_split_work_to_wbs
#       maple_tree: fix a potential memory leak, OOB access, or other unpredictable bug
#       tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used
#       mailmap: update jtoppins' entry to reference correct email
#       mm/mempolicy: fix use-after-free of VMA iterator
#       mm/huge_memory.c: warn with pr_warn_ratelimited instead of VM_WARN_ON_ONCE_FOLIO
#       mm/mprotect: fix do_mprotect_pkey() return on error
#       mm/khugepaged: check again on anon uffd-wp during isolation
#       ...
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 cb0856346a60fe3eb837ba5e73588a41f81ac05f
# < make -s -j 40 ARCH=powerpc O=/kisskb/build/linus_skiroot_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  skiroot_defconfig
# < make -s -j 40 ARCH=powerpc O=/kisskb/build/linus_skiroot_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 40 ARCH=powerpc O=/kisskb/build/linus_skiroot_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 40 ARCH=powerpc O=/kisskb/build/linus_skiroot_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/fs/btrfs/extent_io.c: In function 'extent_fiemap':
/kisskb/src/fs/btrfs/extent_io.c:3542:19: warning: 'last_extent_end' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (cache.cached && cache.offset + cache.len >= last_extent_end) {
                   ^
/kisskb/src/fs/btrfs/extent_io.c: At top level:
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
/kisskb/src/fs/btrfs/volumes.c: In function 'btrfs_init_new_device':
/kisskb/src/fs/btrfs/volumes.c:2524:2: warning: 'seed_devices' may be used uninitialized in this function [-Wmaybe-uninitialized]
  list_add(&seed_devices->seed_list, &fs_devices->seed_list);
  ^
/kisskb/src/fs/btrfs/volumes.c:2621:27: note: 'seed_devices' was declared here
  struct btrfs_fs_devices *seed_devices;
                           ^
/kisskb/src/fs/btrfs/volumes.c: At top level:
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
/kisskb/src/fs/btrfs/send.c: In function 'get_cur_inode_state':
/kisskb/src/fs/btrfs/send.c:1902:23: warning: 'right_gen' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (left_gen == gen && right_gen == gen) {
                       ^
/kisskb/src/fs/btrfs/send.c: At top level:
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
Completed OK
# rm -rf /kisskb/build/linus_skiroot_defconfig_powerpc-gcc5
# Build took: 0:01:11.906626