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[Bug 1089762] New: openSUSE Leap 15.0: AARCH64: CONFIG_NR_CPUS should be set to 256
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 16 Apr 2018 21:13:35 +0000
  • Message-id: <bug-1089762-21960@http.bugzilla.suse.com/>
http://bugzilla.suse.com/show_bug.cgi?id=1089762


Bug ID: 1089762
Summary: openSUSE Leap 15.0: AARCH64: CONFIG_NR_CPUS should be
set to 256
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 15.0
Hardware: Other
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
Assignee: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
Reporter: rrichter@xxxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
CC: afaerber@xxxxxxxx, agraf@xxxxxxxx, mbrugger@xxxxxxxx,
rrichter@xxxxxxxxxx, yousaf.kaukab@xxxxxxxx
Found By: ---
Blocker: ---

CONFIG_NR_CPUS is set to 128, but there are systems like ThunderX2 with up to
256 cores.

CONFIG_NR_CPUS should be set to 256 as in Leap 42.3.

See:


https://kernel.opensuse.org/cgit/kernel-source/tree/config/arm64/default?h=openSUSE-15.0#n536

https://kernel.opensuse.org/cgit/kernel-source/tree/config/arm64/default?h=openSUSE-42.3#n459

Same for Tumbleweed:


https://kernel.opensuse.org/cgit/kernel-source/tree/config/arm64/default?h=stable#n585

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