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authorDmitry Vyukov <dvyukov@google.com>2021-05-12 17:25:52 +0200
committerDmitry Vyukov <dvyukov@google.com>2021-05-12 17:59:13 +0200
commited7d41c582d6f194ff35353d8bfdf7681dc0718e (patch)
tree266e66231d2aad1952c842022518175410f0d2f3 /dashboard/config/linux/bits
parentfff891da21df06010bab1586e12d1f24191eee60 (diff)
executor: move vm.nr_overcommit_hugepages into config
Move the sysctl into config, so that kernels can opt out of it if necessary (not all kernels enable it and interested in testing).
Diffstat (limited to 'dashboard/config/linux/bits')
-rw-r--r--dashboard/config/linux/bits/base.yml4
1 files changed, 3 insertions, 1 deletions
diff --git a/dashboard/config/linux/bits/base.yml b/dashboard/config/linux/bits/base.yml
index b3077ef5a..4446606a0 100644
--- a/dashboard/config/linux/bits/base.yml
+++ b/dashboard/config/linux/bits/base.yml
@@ -19,7 +19,9 @@ config:
- DEBUG_KERNEL
# panic=86400: prevents kernel from rebooting so that we don't get reboot output in all crash reports.
- - CMDLINE: "earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on"
+ # Huge page overcommit is disabled by default, allowing some overcommit
+ # with vm.nr_overcommit_hugepages is intended to give more coverage.
+ - CMDLINE: "earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4"
# This config can be used to enable any additional temporal debugging features in linux-next tree.
- DEBUG_AID_FOR_SYZBOT: [linux-next]