# git rev-parse -q --verify fe27d189e3f42e31d3c8223d5daed7285e334c5e^{commit}
fe27d189e3f42e31d3c8223d5daed7285e334c5e
already have revision, skipping fetch
# git checkout -q -f -B kisskb fe27d189e3f42e31d3c8223d5daed7285e334c5e
# git clean -qxdf
# < git log -1
# commit fe27d189e3f42e31d3c8223d5daed7285e334c5e
# Merge: f47c960e9395 b9ff43dd2743
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu May 5 16:52:15 2022 -0700
# 
#     Merge tag 'folio-5.18f' of git://git.infradead.org/users/willy/pagecache
#     
#     Pull folio fixes from Matthew Wilcox:
#      "Two folio fixes for 5.18.
#     
#       Darrick and Brian have done amazing work debugging the race I created
#       in the folio BIO iterator. The readahead problem was deterministic, so
#       easy to fix.
#     
#        - Fix a race when we were calling folio_next() in the BIO folio iter
#          without holding a reference, meaning the folio could be split or
#          freed, and we'd jump to the next page instead of the intended next
#          folio.
#     
#        - Fix readahead creating single-page folios instead of the intended
#          large folios when doing reads that are not a power of two in size"
#     
#     * tag 'folio-5.18f' of git://git.infradead.org/users/willy/pagecache:
#       mm/readahead: Fix readahead with large folios
#       block: Do not call folio_next() on an unreferenced folio
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 fe27d189e3f42e31d3c8223d5daed7285e334c5e
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:45.660439