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authorMatthew Wilcox <matthew@wil.cx>2007-12-03 14:08:28 -0500
committerMatthew Wilcox <matthew@wil.cx>2007-12-04 10:39:57 -0500
commita35a3455142976e3fffdf27027f3082cbaba6e8c (patch)
treee8def40d5d97dfbb7c9293ae1f7c13a996e02feb /block/Kconfig.iosched
parent6182a0943af2235756836ed7e021fa22b93ec68b (diff)
downloadblackbird-op-linux-a35a3455142976e3fffdf27027f3082cbaba6e8c.tar.gz
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Change dmapool free block management
Use a list of free blocks within a page instead of using a bitmap. Update documentation to reflect this. As well as being a slight reduction in memory allocation, locked ops and lines of code, it speeds up a transaction processing benchmark by 0.4%. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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