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Bug 127095 - Use sparsemem for ultrasparc machines
Summary: Use sparsemem for ultrasparc machines
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Unspecified (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: Daniel Drake (RETIRED)
Depends on:
Reported: 2006-03-21 10:38 UTC by Gustavo Zacarias (RETIRED)
Modified: 2006-03-28 08:42 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---

sparsemem for sparc64 2.6.16+ (sparc64-sparse.diff,10.91 KB, patch)
2006-03-21 10:39 UTC, Gustavo Zacarias (RETIRED)
Details | Diff

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Description Gustavo Zacarias (RETIRED) gentoo-dev 2006-03-21 10:38:01 UTC
Up until now the sparc64 kernel didn't use sparsemem thus some newer machines (notably UltraSPARC-IIIi based SMP) didn't use all of the available memory since each CPU has it's own memory controller and there were holes in the memory layout.
The following patch enables sparsemem for sparc64.
Comment 1 Gustavo Zacarias (RETIRED) gentoo-dev 2006-03-21 10:39:14 UTC
Created attachment 82796 [details, diff]
sparsemem for sparc64 2.6.16+

This was merged into 2.6.16-git2, likely going mainstream for 2.6.17.
Comment 2 Gustavo Zacarias (RETIRED) gentoo-dev 2006-03-21 10:39:31 UTC
Please include in gentoo-sources-2.6.16-*
Comment 3 Daniel Drake (RETIRED) gentoo-dev 2006-03-28 08:42:49 UTC
fixed in gentoo-sources-2.6.16-r1 (genpatches-2.6.16-2)