Re: [PATCH] FRV: Permit large kmalloc allocations

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On Mon, 02 Oct 2006 16:37:08 +0100 David Howells wrote:

> From: David Howells <[email protected]>
> 
> Permit kmalloc() to make allocations of up to 32MB if so configured.  This may
> be useful under NOMMU conditions where vmalloc() can't do this.
> 
> Signed-Off-By: David Howells <[email protected]>
> ---
> 
>  arch/frv/Kconfig |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
> index f7b171b..69f9846 100644
> --- a/arch/frv/Kconfig
> +++ b/arch/frv/Kconfig
> @@ -86,6 +86,14 @@ config HIGHPTE
>  	  with a lot of RAM, this can be wasteful of precious low memory.
>  	  Setting this option will put user-space page tables in high memory.
>  
> +config LARGE_ALLOCS
> +	bool "Allow allocating large blocks (> 1MB) of memory"
> +	help
> +	  Allow the slab memory allocator to keep chains for very large memory
> +	  sizes - upto 32MB. You may need this if your system has a lot of RAM,

		up to (2 words)

> +	  and you need to able to allocate very large contiguous chunks. If
> +	  unsure, say N.
> +
>  source "mm/Kconfig"



---
~Randy
-
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