git: dec7526dc3 - main - Status/2023Q2/compaction.adoc: Add report

The branch main has been updated by salvadore:

URL: https://cgit.FreeBSD.org/doc/commit/?id=dec7526dc36ae1a262d67aefe412b9ae97f2d2f1

commit dec7526dc36ae1a262d67aefe412b9ae97f2d2f1
Author:     Bojan Novković <bnovkov@FreeBSD.org>
AuthorDate: 2023-07-04 10:52:09 +0000
Commit:     Lorenzo Salvadore <salvadore@FreeBSD.org>
CommitDate: 2023-07-04 15:48:18 +0000

    Status/2023Q2/compaction.adoc: Add report
    
    Approved by:    dbaio (mentor, implicit), carlavilla (mentor, implicit)
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+=== Physical memory compaction for the FreeBSD kernel
+
+Links: +
+link:https://wiki.freebsd.org/SummerOfCode2023Projects/PhysicalMemoryAntiFragmentationMechanisms[GSoC project wiki page] URL: link:https://wiki.freebsd.org/SummerOfCode2023Projects/PhysicalMemoryAntiFragmentationMechanisms[] +
+link:https://reviews.freebsd.org/D40575[Differential revision 40575] URL: link:https://reviews.freebsd.org/D40575[]
+link:https://reviews.freebsd.org/D40772[Differential revision 407725] URL: link:https://reviews.freebsd.org/D407724[]
+
+Contact: Bojan Novković <bnovkov@FreeBSD.org>
+
+Most modern CPU architectures offer performance boosts by supporting pages that are larger than the standard page size. 
+Unfortunately, allocating such pages can fail due to a high degree of physical memory fragmentation.
+This work implements physical memory compaction as a means of actively reducing fragmentation in running systems.
+This work is part of an ongoing Google Summer of Code project whose goal is to add various physical memory anti-fragmentation measures to the virtual memory subsystem.
+
+Differential link:https://reviews.freebsd.org/D40575[D40575] implements a well-known metric used for quantifying the degree of physical memory fragmentation.
+Differential link:https://reviews.freebsd.org/D40772[D40772] implements physical memory compaction and adds a daemon that monitors the system and performs compaction when needed.
+
+Planned future work includes designing an appropriate benchmarking suite, running tests, and tweaking the code using feedback from reviews and test results.
+This is still a work in progress, so any testing, reviews, and feedback would be greatly appreciated.
+
+Sponsor: The Google Summer of Code '23 program