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Author SHA1 Message Date
Gareth Rees
bb44aa1f51 Catch-up merge from master sources @186528 to branch/2014-04-15/mvffnoseg. 
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 Change: 186534
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 2014-06-12 15:59:39 +01:00
Gareth Rees
c71e35f3c1 Catch-up merge from masters sources @186519 to branch/2014-04-17/describe. 
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 Change: 186526
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 2014-06-12 13:45:22 +01:00
Gareth Rees
365e431f21 Catch-up merge from master sources @186481 to branch/2014-04-15/mvffnoseg. 
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 Change: 186484
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 2014-06-11 12:42:58 +01:00
Gareth Rees
3c486bd581 Fix problems identified by rb in review <https://info.ravenbrook.com/mail/2014/06/04/15-13-24/0/>. 
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 Change: 186449
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 2014-06-08 20:28:33 +01:00
Gareth Rees
331d260bfd Catch-up merge from master sources @186436 to branch/2014-04-08/align. 
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 Change: 186439
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 2014-06-08 16:30:53 +01:00
Gareth Rees
7c71849813 Defend against the visitor function modifying the block. 
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 Change: 186367
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 2014-05-30 12:17:02 +01:00
Gareth Rees
b8c39883ea Pass and check special closure values unused_pointer, unused_size instead of null, 0. 
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 Change: 186352
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 2014-05-29 15:28:33 +01:00
Gareth Rees
224afa61a8 Fix problems identified by rb in review <https://info.ravenbrook.com/mail/2014/05/29/13-01-02/0/>. 
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 Change: 186347
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 2014-05-29 14:50:36 +01:00
Richard Brooksby
4f3f12c3db Fixing unbracketed macro parameter. 
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 Change: 186345
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 2014-05-29 14:07:24 +01:00
Gareth Rees
e35f3b1b6c Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/05/23/12-44-54/0/>. 
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 Change: 186300
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 2014-05-25 20:49:22 +01:00
Gareth Rees
5f848d0404 Split land iteration into two functions, one which deletes ranges, the other which does not. 
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 Change: 186298
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 2014-05-25 19:26:48 +01:00
Gareth Rees
ac89be6519 Ignore or use the result of landiterate. 
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 Change: 186166
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 2014-05-18 22:50:22 +01:00
Gareth Rees
9c3eb68f97 Landiterate now returns a bool indicating whether all visitor calls returned true. 
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 Change: 186165
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 2014-05-18 22:46:16 +01:00
Gareth Rees
883f4a4c3f Catch-up merge from master sources @186077 to branch/2014-03-30/addrset. 
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 Change: 186081
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 2014-05-13 16:21:39 +01:00
Gareth Rees
2b41ec58db Catch-up merge from master sources @185999 to branch/2014-04-17/describe. 
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 Change: 186003
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 2014-05-11 18:33:02 +01:00
Gareth Rees
add3e4bf93 Consistent order stream, depth. 
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 Change: 186001
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 2014-05-11 18:30:23 +01:00
Gareth Rees
c44f2d6a20 Correct indentation of describe output by passing depth parameter to describe functions and to writef. 
Call Describe functions from test cases so that we get coverage.

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 Change: 186000
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 2014-05-11 18:20:38 +01:00
Gareth Rees
4ed8190265 Back out change 185626 (violates the design.mps.writef.snazzy). 
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 Change: 185941
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 2014-05-02 12:44:31 +01:00
Gareth Rees
4c655eba6a Fix rash build on os x by adding the unused attribute to functions declared static that are not called in the rash variety. 
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 Change: 185915
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 2014-05-01 12:18:00 +01:00
Gareth Rees
d83fbf6b09 Correct indentation of describe output. 
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 Change: 185626
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 2014-04-17 13:36:42 +01:00
Gareth Rees
230ee1f936 Use freelistend instead of null as the special value. 
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 Change: 185617
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 2014-04-17 00:19:45 +01:00
Gareth Rees
a94cc2ed78 New generic function landsize returns the total size of ranges in a land (if the land supports it). implement it for all land classes. 
The MVFF pool class doesn't have to maintain its free size any more: it can just call LandSize.
Move re-entrancy protection from CBS to Land. This allows us to remove some CBS functions. (But requires some adjustment in failoverDelete.)
In MVFF, do more checking of mvff->total.

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 Change: 185569
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 2014-04-15 16:35:34 +01:00
Gareth Rees
966026b170 Trying to create a freelist with too-small alignment is a static programming error, not a dynamic failure condition, so aver instead of returning resparam. (see job003485). 
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 Change: 185426
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 2014-04-10 13:02:22 +01:00
Gareth Rees
88626830d8 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.

Copied from Perforce
 Change: 185369
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 2014-04-08 21:32:19 +01:00
Gareth Rees
7e0a53106b Fix file-at-a-time compilation. 
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 Change: 185210
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 2014-04-03 15:01:53 +01:00
Gareth Rees
a3055d56c0 New module failover implements a fail-over allocator as a land class. 
Use Failover in MVT and MVFF.
Test Failover in landtest.
Implementation of LandFindInZones for Freelist (untested).
Remove signature from RangeStruct so we can embed it without a space cost.

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 Change: 185196
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 2014-04-03 12:52:23 +01:00
Gareth Rees
6ef8e57b1f Turn freelist into a land class. 
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 Change: 185155
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 2014-04-02 14:01:18 +01:00
Gareth Rees
042f9c5f14 First pass at implementation of lands (collections of address ranges). 100% boilerplate! 
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 Change: 185131
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 2014-04-01 19:51:55 +01:00
Gareth Rees
bcb3aeacde 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
f651dbdc27 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
fe60d16407 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
418cb379a2 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
6efd6ba489 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
7dc558b489 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
9b3153f8b6 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
b892fdfbb9 Fix iteration in freelistfindlargest. 
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 Change: 182359
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 2013-05-31 10:44:02 +01:00
Gareth Rees
e3d76b37da 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
ca7975ac29 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