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11 commits

Author SHA1 Message Date
Gareth Rees
4c9426514c Alignment is now configurable for mv pools using mps_key_align. 
MVFF and MVT support alignments down to FreelistMinimumAlignment.
For MVFF and MVT, alignments that are too small are rounded up automatically, to make it easier to write portable programs.

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 Change: 185369
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 2014-04-08 21:32:19 +01:00
Gareth Rees
36bcd67544 Oops, forgot fl argument to freelistblocklimit. 
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 Change: 182586
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 2013-06-06 15:58:02 +01:00
Gareth Rees
997477468b Extra-careful check after setting the limit. 
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 Change: 182585
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 2013-06-06 15:51:41 +01:00
Gareth Rees
5db8a1802d Represent a block on the free list as a freelistblock rather than an addr (for better type safety). add many checks. 
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 Change: 182584
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 2013-06-06 15:47:37 +01:00
Gareth Rees
7288e21131 Avoid "variable may be used uninitialized" warnings. 
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 Change: 182513
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 2013-06-04 18:46:07 +01:00
Gareth Rees
f0def15a48 Freelistfindlargest() takes a size argument so that the interface matches cbsfindlargest(). 
New function FreelistFlushToCBS() tries to move all blocks out of a free list and into a CBS.

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 Change: 182432
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 2013-06-03 16:17:28 +01:00
Gareth Rees
0260380dd3 Rename cbstest.c to fbmtest.c (free block management test) and generalize it so that it tests both the cbs and freelist modules. 
Split FreelistFind into FreelistFindFirst and FreelistFindLast so that the interface exactly matches the CBS interface.
Fix errors in freelist.c: missing computation of size in FreelistBlockSetLimit; update linked list correct in coalesceRight case in FreelistInsert.
Avoid compiler warnings in freelist.c.
In cbs.c: use $U for Booleans ($B is for bit tables).

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 Change: 182397
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 2013-06-02 21:34:23 +01:00
Gareth Rees
83aff660e2 Use a tag in the bottom bit to distinguish grains and blocks in the free list. this results in much simplification of the code. 
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 Change: 182362
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 2013-05-31 13:41:36 +01:00
Gareth Rees
915a41123c Fix iteration in freelistfindlargest. 
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 Change: 182359
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 2013-05-31 10:44:02 +01:00
Gareth Rees
04f2738a18 Improve documentation. fix off-by-one errors in the setprevnext functions. 
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 Change: 182350
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 2013-05-31 00:41:28 +01:00
Gareth Rees
032657464b New "freelist" module implementes a simple address-ordered linked list allocator (based on the "emergency list" allocator that was formerly part of the cbs module). 
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 Change: 182348
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 2013-05-31 00:12:49 +01:00