Re: [PATCH 3/3] hugetlb: add per-node nr_hugepages sysfs attribute

[Nishanth Aravamudan <nacc@us.ibm.com>]

On 14.07.2007 [13:43:17 -0700], Nishanth Aravamudan wrote:
> hugetlb: add per-node nr_hugepages sysfs attribute
> 
> Allow specifying the number of hugepages to allocate on a particular
> node. Our current global sysctl will try its best to put hugepages
> equally on each node, but htat may not always be desired. This allows
> the admin to control the layout of hugepage allocation at a finer level
> (while not breaking the existing interface).  Add callbacks in the sysfs
> node registration and unregistration functions into hugetlb to add the
> nr_hugepages attribute, which is a no-op if !NUMA or !HUGETLB.

Eep, forgot to append the following:

Compile tested on x86, x86_64 and ppc64. Run tested on 4-node x86-64 (no
memoryless nodes), non-NUMA x86 and 4-node ppc64 (2 memoryless nodes).

Thanks,
Nish

-- 
Nishanth Aravamudan <nacc@us.ibm.com>
IBM Linux Technology Center

--
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>