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Add beginning of a simple granule allocator to support DMA IO buffer allocation

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5129 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
2012-09-11 18:22:27 +00:00
parent 64c8e5c7c3
commit 3ca467c029
10 changed files with 796 additions and 8 deletions
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nuttx/ChangeLog
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@@ -3323,3 +3323,8 @@
ENC28J60 GPIO interrupts. That is because GPIO interrupts are
handled in different ways by different MCUs and some do not
support IRQ numbers for GPIO interrupts.
* mm/mm_gran* and include/nuttx/gran.h: Add a simple granule-
based allocator. The intent of this allocator is to support
simple allocation of DMA I/O buffers. The initiali check-in
is code complete but untested (not event built into the
mm/Makefile yet.