Re: [patch] slob: implement RCU freeing

[Nick Piggin <nickpiggin@yahoo.com.au>]

Nick Piggin wrote:
> Matt Mackall wrote:
> 
>> Looks good to me, but haven't had time to actually test it.
>>
>> Acked-by: Matt Mackall <mpm@selenic.com>
> 
> 
> Updated to current, added a comment, and test booted it again.
> Works OK.
> 
> 
> ------------------------------------------------------------------------
> 
> The SLOB allocator should implement SLAB_DESTROY_BY_RCU correctly, because even
> on UP, RCU freeing semantics are not equivalent to simply freeing immediately.
> This also allows SLOB to be used on SMP.
> 
> Signed-off-by: Nick Piggin <npiggin@suse.de>
> Acked-by: Matt Mackall <mpm@selenic.com>
> 
> Index: linux-2.6/init/Kconfig
> ===================================================================
> --- linux-2.6.orig/init/Kconfig	2007-05-10 14:17:38.000000000 +1000
> +++ linux-2.6/init/Kconfig	2007-05-10 14:18:11.000000000 +1000
> @@ -519,7 +519,8 @@
>  	  slab allocator.
>  
>  config SLUB
> -	depends on EXPERIMENTAL && !ARCH_USES_SLAB_PAGE_STRUCT
> +#	depends on EXPERIMENTAL && !ARCH_USES_SLAB_PAGE_STRUCT
> +	depends on EXPERIMENTAL
>  	bool "SLUB (Unqueued Allocator)"
>  	help
>  	   SLUB is a slab allocator that minimizes cache line usage
> @@ -529,15 +530,11 @@

Ooops, sorry this hunk leaked in because I wanted to test compile slub :P

-- 
SUSE Labs, Novell Inc.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>