Buildresult: linus-rand/arm64-randconfig/arm64-gcc5 built on Jan 1 2022, 08:57

kisskb

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Status:	OK
Date/Time:	Jan 1 2022, 08:57
Duration:	0:02:42.763978
Builder:	ka7
Revision:	mm: vmscan: reduce throttling due to a failure to make progress -fix (`8008293888188c3923f5bd8a69370dae25ed14e5)`
Target:	linus-rand/arm64-randconfig/arm64-gcc5
Branch:	linus-rand
Compiler:	arm64-gcc5 (aarch64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.25.1)
Config:	randconfig (download)
Log:	Download original Possible warnings (1) warning: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum Full Log # git rev-parse -q --verify 8008293888188c3923f5bd8a69370dae25ed14e5^{commit} 8008293888188c3923f5bd8a69370dae25ed14e5 already have revision, skipping fetch # git checkout -q -f -B kisskb 8008293888188c3923f5bd8a69370dae25ed14e5 # git clean -qxdf # < git log -1 # commit 8008293888188c3923f5bd8a69370dae25ed14e5 # Author: Mel Gorman <mgorman@techsingularity.net> # Date: Fri Dec 31 13:10:09 2021 -0800 # # mm: vmscan: reduce throttling due to a failure to make progress -fix # # Hugh Dickins reported the following # # My tmpfs swapping load (tweaked to use huge pages more heavily # than in real life) is far from being a realistic load: but it was # notably slowed down by your throttling mods in 5.16-rc, and this # patch makes it well again - thanks. # # But: it very quickly hit NULL pointer until I changed that last # line to # # if (first_pgdat) # consider_reclaim_throttle(first_pgdat, sc); # # The likely issue is that huge pages are a major component of the test # workload. When this is the case, first_pgdat may never get set if # compaction is ready to continue due to this check # # if (IS_ENABLED(CONFIG_COMPACTION) && # sc->order > PAGE_ALLOC_COSTLY_ORDER && # compaction_ready(zone, sc)) { # sc->compaction_ready = true; # continue; # } # # If this was true for every zone in the zonelist, first_pgdat would never # get set resulting in a NULL pointer exception. # # Link: https://lkml.kernel.org/r/20211209095453.GM3366@techsingularity.net # Fixes: 1b4e3f26f9f75 ("mm: vmscan: Reduce throttling due to a failure to make progress") # Signed-off-by: Mel Gorman <mgorman@techsingularity.net> # Reported-by: Hugh Dickins <hughd@google.com> # Cc: Michal Hocko <mhocko@suse.com> # Cc: Vlastimil Babka <vbabka@suse.cz> # Cc: Rik van Riel <riel@surriel.com> # Cc: Mike Galbraith <efault@gmx.de> # Cc: Darrick J. Wong <djwong@kernel.org> # Cc: Shakeel Butt <shakeelb@google.com> # Signed-off-by: Andrew Morton <akpm@linux-foundation.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /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 8008293888188c3923f5bd8a69370dae25ed14e5 # < make -s -j 32 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 32 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 32 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 32 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- warning: 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: 0:02:42.763978

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