linux-kernel - Re: [PATCH 0/9 v6] Introduce a bulk order-0 page allocator with two in-tree users

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Date:   Thu, 25 Mar 2021 14:09:27 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Uladzislau Rezki <urezki@...il.com>
Cc:     Mel Gorman <mgorman@...hsingularity.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Christoph Hellwig <hch@...radead.org>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux-Net <netdev@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Linux-NFS <linux-nfs@...r.kernel.org>
Subject: Re: [PATCH 0/9 v6] Introduce a bulk order-0 page allocator with two
 in-tree users

On Thu, Mar 25, 2021 at 03:06:57PM +0100, Uladzislau Rezki wrote:
> For the vmalloc we should be able to allocating on a specific NUMA node,
> at least the current interface takes it into account. As far as i see
> the current interface allocate on a current node:
> 
> static inline unsigned long
> alloc_pages_bulk_array(gfp_t gfp, unsigned long nr_pages, struct page **page_array)
> {
>     return __alloc_pages_bulk(gfp, numa_mem_id(), NULL, nr_pages, NULL, page_array);
> }
> 
> Or am i missing something?

You can call __alloc_pages_bulk() directly; there's no need to indirect
through alloc_pages_bulk_array().