Re: [PATCH 1/6] mm: Add vmalloc_huge_node()

Uladzislau Rezki
2024-10-25T09:58:21Z

On Fri, Oct 25, 2024 at 11:03:48AM +0200, Peter Zijlstra wrote:
> To enable node specific hash-tables.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> ---
> include/linux/vmalloc.h | 3 +++
> mm/vmalloc.c | 7 +++++++
> 2 files changed, 10 insertions(+)
>
> --- a/include/linux/vmalloc.h
> +++ b/include/linux/vmalloc.h
> @@ -177,6 +177,9 @@ void *__vmalloc_node_noprof(unsigned lon
> void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
> #define vmalloc_huge(...) alloc_hooks(vmalloc_huge_noprof(__VA_ARGS__))
>
> +void *vmalloc_huge_node_noprof(unsigned long size, gfp_t gfp_mask, int node) __alloc_size(1);
> +#define vmalloc_huge_node(...) alloc_hooks(vmalloc_huge_node_noprof(__VA_ARGS__))
> +
> extern void *__vmalloc_array_noprof(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
> #define __vmalloc_array(...) alloc_hooks(__vmalloc_array_noprof(__VA_ARGS__))
>
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -3948,6 +3948,13 @@ void *vmalloc_huge_noprof(unsigned long
> }
> EXPORT_SYMBOL_GPL(vmalloc_huge_noprof);
>
> +void *vmalloc_huge_node_noprof(unsigned long size, gfp_t gfp_mask, int node)
> +{
> + return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
> + gfp_mask, PAGE_KERNEL, VM_ALLOW_HUGE_VMAP,
> + node, __builtin_return_address(0));
> +}
> +
> /**
> * vzalloc - allocate virtually contiguous memory with zero fill
> * @size: allocation size
>
>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>

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Uladzislau Rezki