Re: [PATCH 28/28] s390: use __vmalloc_node in stack_alloc

From: Christian Borntraeger
Date: Wed Apr 08 2020 - 09:44:45 EST




On 08.04.20 13:59, Christoph Hellwig wrote:
> stack_alloc can use a slightly higher level vmalloc function.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> arch/s390/kernel/setup.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
> index 36445dd40fdb..0f0b140b5558 100644
> --- a/arch/s390/kernel/setup.c
> +++ b/arch/s390/kernel/setup.c
> @@ -305,12 +305,9 @@ void *restart_stack __section(.data);
> unsigned long stack_alloc(void)
> {
> #ifdef CONFIG_VMAP_STACK
> - return (unsigned long)
> - __vmalloc_node_range(THREAD_SIZE, THREAD_SIZE,
> - VMALLOC_START, VMALLOC_END,
> - THREADINFO_GFP,
> - PAGE_KERNEL, 0, NUMA_NO_NODE,
> - __builtin_return_address(0));
> + return (unsigned long)__vmalloc_node(THREAD_SIZE, THREAD_SIZE,
> + THREADINFO_GFP, NUMA_NO_NODE,
> + __builtin_return_address(0));

Looks sane.

Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>


> #else
> return __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
> #endif
>