* [PATCH] FRV: Permit large kmalloc allocations
@ 2006-10-02 15:37 David Howells
2006-10-02 15:57 ` Randy Dunlap
2006-10-02 16:27 ` David Howells
0 siblings, 2 replies; 3+ messages in thread
From: David Howells @ 2006-10-02 15:37 UTC (permalink / raw)
To: akpm; +Cc: dhowells, linux-kernel
From: David Howells <dhowells@redhat.com>
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 <dhowells@redhat.com>
---
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,
+ and you need to able to allocate very large contiguous chunks. If
+ unsure, say N.
+
source "mm/Kconfig"
choice
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] FRV: Permit large kmalloc allocations
2006-10-02 15:37 [PATCH] FRV: Permit large kmalloc allocations David Howells
@ 2006-10-02 15:57 ` Randy Dunlap
2006-10-02 16:27 ` David Howells
1 sibling, 0 replies; 3+ messages in thread
From: Randy Dunlap @ 2006-10-02 15:57 UTC (permalink / raw)
To: David Howells; +Cc: akpm, linux-kernel
On Mon, 02 Oct 2006 16:37:08 +0100 David Howells wrote:
> From: David Howells <dhowells@redhat.com>
>
> 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 <dhowells@redhat.com>
> ---
>
> 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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] FRV: Permit large kmalloc allocations
2006-10-02 15:37 [PATCH] FRV: Permit large kmalloc allocations David Howells
2006-10-02 15:57 ` Randy Dunlap
@ 2006-10-02 16:27 ` David Howells
1 sibling, 0 replies; 3+ messages in thread
From: David Howells @ 2006-10-02 16:27 UTC (permalink / raw)
To: Randy Dunlap; +Cc: David Howells, akpm, linux-kernel
Randy Dunlap <rdunlap@xenotime.net> wrote:
> > + sizes - upto 32MB. You may need this if your system has a lot of RAM,
>
> up to (2 words)
Altered, thanks.
David
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2006-10-02 16:27 UTC | newest]
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2006-10-02 15:37 [PATCH] FRV: Permit large kmalloc allocations David Howells
2006-10-02 15:57 ` Randy Dunlap
2006-10-02 16:27 ` David Howells
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