Fix spellings of slab allocator section in init/Kconfig
Fix some of the spelling issues. Fix sentences. Discourage SLOB use since SLUB can pack objects denser. Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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init/Kconfig
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init/Kconfig
@ -523,9 +523,9 @@ config SLAB
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bool "SLAB"
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help
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The regular slab allocator that is established and known to work
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well in all environments. It organizes chache hot objects in
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well in all environments. It organizes cache hot objects in
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per cpu and per node queues. SLAB is the default choice for
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slab allocator.
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a slab allocator.
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config SLUB
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depends on EXPERIMENTAL && !ARCH_USES_SLAB_PAGE_STRUCT
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@ -535,21 +535,20 @@ config SLUB
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instead of managing queues of cached objects (SLAB approach).
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Per cpu caching is realized using slabs of objects instead
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of queues of objects. SLUB can use memory efficiently
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way and has enhanced diagnostics.
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and has enhanced diagnostics.
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config SLOB
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#
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# SLOB cannot support SMP because SLAB_DESTROY_BY_RCU does not work
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# properly.
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# SLOB does not support SMP because SLAB_DESTROY_BY_RCU is unsupported
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#
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depends on EMBEDDED && !SMP && !SPARSEMEM
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bool "SLOB (Simple Allocator)"
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help
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SLOB replaces the SLAB allocator with a drastically simpler
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allocator. SLOB is more space efficient that SLAB but does not
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scale well (single lock for all operations) and is more susceptible
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to fragmentation. SLOB it is a great choice to reduce
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memory usage and code size for embedded systems.
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scale well (single lock for all operations) and is also highly
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susceptible to fragmentation. SLUB can accomplish a higher object
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density. It is usually better to use SLUB instead of SLOB.
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endchoice
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