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authorRichard Braun <rbraun@sceen.net>2013-04-21 01:30:27 +0200
committerRichard Braun <rbraun@sceen.net>2013-04-21 01:30:27 +0200
commit24832de763ad58be6afdcff6c761b54ccee42667 (patch)
treeb6858a1d7ccd7ed8948a86085b130623e83190df /kern/kalloc.h
parentb54c7e38d8871a0c8b7694e7fd02062cf7ca988a (diff)
Rework slab lists handling
Don't enforce strong ordering of partial slabs. Separating partial slabs from free slabs is already effective against fragmentation, and sorting would sometimes cause pathological scalability issues. In addition, store new slabs (whether free or partial) in LIFO order for better cache usage. * kern/slab.c (kmem_cache_grow): Insert new slab at the head of the slabs list. (kmem_cache_alloc_from_slab): Likewise. In addition, don't sort partial slabs. (kmem_cache_free_to_slab): Likewise. * kern/slab.h: Remove comment about partial slabs sorting.
Diffstat (limited to 'kern/kalloc.h')
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