RFC compcache: Compressed Caching
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- v1 RFC Latest6 patches 3 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/6 | compcache: compressed RAM block devicedrivers/ drivers/ drivers/ | +451 | 0 replies | |
| 2/6 | compcache: block device - internal defsdrivers/ | +147 | 0 replies | |
| 3/6 | compcache: TLSF Allocator interfaceinclude/ | +93 | 0 replies | |
| 4/6 | compcache: TLSF Allocatorinit/ mm/ mm/ | +679 | 0 replies | |
| 5/6 | compcache: TLSF Allocator - internal defsmm/ | +179 | 0 replies | |
| 6/6 | compcache: DocumentationDocumentation/ | +24 | 0 replies |
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Cover letter [RFC][PATCH 0/6] compcache: Compressed Caching
Hi All,
This implements a RAM based block device which acts as swap disk. Pages swapped to this disk are compressed and stored in memory itself. This allows more applications to fit in given amount of memory. This is especially useful for embedded devices, OLPC and small desktops (aka virtual machines).
Project home: http://code.google.com/p/compcache/
It consists of following components:
- compcache.ko: Creates RAM based block device
- tlsf.ko: Two Level Segregate Fit (TLSF) allocator
- LZO de/compressor: (Already in mainline)
Project home contains some performance numbers for TLSF and LZO. For general desktop use, this is giving *significant* performance gain under memory pressure. For now, it has been tested only on x86.
Thanks,
Nitin
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