Additional clarification about %vmeff exceeding 100% in newer kernels

[sounix000]

PR creator: Description

Clarify how to interpret and act when %vmeff value exceeds 100% as part of sar -B report, because it doesn't make sense under normal circumstances that the kernel reclaims more virtual memory pages than it scans.

Preview

• A note should appear at the end of the section https://susedoc.github.io/doc-sle/main/html/SLES-tuning/cha-util.html#sec-util-multi-sar-report-paging

PR creator: Are there any relevant issues/feature requests?

• bsc#...https://bugzilla.suse.com/show_bug.cgi?id=1218839
• jsc#...https://jira.suse.com/browse/DOCTEAM-1252

PR creator: Which product versions do the changes apply to?

When opening a PR, check all versions of the documentation that your PR applies to.

• SLE 15/openSUSE Leap 15.x

  • SLE 15 next/openSUSE Leap next (current main, no backport necessary)
  • SLE 15 SP6/openSUSE Leap 15.6
  • SLE 15 SP5/openSUSE Leap 15.5
  • SLE 15 SP4/openSUSE Leap 15.4
  • SLE 15 SP3/openSUSE Leap 15.3
  • SLE 15 SP2/openSUSE Leap 15.2

• SLE 12

  • SLE 12 SP5

PR reviewer only: Have all backports been applied?

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When opening a PR, do not set the following check box.

• all necessary backports are done

[dariavladykina]

Hi, please see just a couple of nits here. Thanks!