Re: [PATCH v2] Increase page and bit waitqueue hash size

[Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>]

On 17/03/2021 08.54, Nicholas Piggin wrote:

> +#if CONFIG_BASE_SMALL
> +static const unsigned int page_wait_table_bits = 4;
>  static wait_queue_head_t page_wait_table[PAGE_WAIT_TABLE_SIZE] __cacheline_aligned;

>  
> +	if (!CONFIG_BASE_SMALL) {
> +		page_wait_table = alloc_large_system_hash("page waitqueue hash",
> +							sizeof(wait_queue_head_t),
> +							0,

So, how does the compiler not scream at you for assigning to an array,
even if it's inside an if (0)?

Rasmus