Messages in this thread | | | Date | Mon, 2 Oct 2006 08:57:44 -0700 | From | Randy Dunlap <> | Subject | 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 <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"
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