Re: [PATCH] mm, x86: Do not zero hugetlbfs pages at boot. -v2

[Michal Hocko]

On Tue 02-04-13 21:43:44, Robin Holt wrote:
[...]
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index ca9a7c6..7683f6a 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -1185,7 +1185,7 @@ int __weak alloc_bootmem_huge_page(struct hstate *h)
>  	while (nr_nodes) {
>  		void *addr;
>  
> -		addr = __alloc_bootmem_node_nopanic(
> +		addr = __alloc_bootmem_node_nopanic_notzeroed(
>  				NODE_DATA(hstate_next_node_to_alloc(h,
>  						&node_states[N_MEMORY])),
>  				huge_page_size(h), huge_page_size(h), 0);

Ohh, and powerpc seems to have its own opinion how to allocate huge
pages. See arch/powerpc/mm/hugetlbpage.c

-- 
Michal Hocko
SUSE Labs
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