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  1. 1 About the release notes
  2. 2 SUSE Linux Enterprise Server
  3. 3 Modules, extensions, and related products
  4. 4 Installation and upgrade
  5. 5 Changes affecting all architectures
  6. 6 AMD64/Intel 64-specific changes (x86-64)
  7. 7 POWER-specific changes (ppc64le)
  8. 8 IBM Z-specific changes (s390x)
  9. 9 Arm 64-bit-specific changes (AArch64)
  10. 10 Removed and deprecated features and packages
  11. 11 Obtaining source code
  12. 12 Legal notices
  13. A Changelog for 15 SP4
  14. B Kernel parameter changes
Applies to SUSE Linux Enterprise Server 15 SP4

B Kernel parameter changes

Warning
Warning

This list of changes may not be exhaustive.

B.1 Changes from SP3 to SP4

These Linux kernel parameters have been changed since SLES 15 SP3.

SettingPrevious valueNew valueCaused by packageMore details

sysctl_fs_epoll_max_user_watches

400000:420000

443948

  

sysctl_kernel_cap_last_cap

39

40

  

sysctl_kernel_usermodehelper_bset

"4294967295 255"

"4294967295 511"

  

sysctl_kernel_usermodehelper_inheritable

"4294967295 255"

"4294967295 511"

  

sysctl_net_core_somaxconn

128

4096

  

sysctl_net_ipv4_tcp_fastopen_blackhole_timeout_sec

3600

0

  

sysctl_vm_unprivileged_userfaultfd

1

0

  

sysctl_kernel_unprivileged_bpf_disabled

0

2

  

sysctl_net_core_bpf_jit_limit

264241152

528482304

kernel

 
←Appendix A Changelog for 15 SP4
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