linux-kernel - Re: [RFC v2 07/14] readahead: allocate folios with mapping_min_order in ra

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Date: Tue, 13 Feb 2024 16:01:58 +0100
From: Hannes Reinecke <hare@...e.de>
To: "Pankaj Raghav (Samsung)" <kernel@...kajraghav.com>,
 linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc: mcgrof@...nel.org, gost.dev@...sung.com, akpm@...ux-foundation.org,
 kbusch@...nel.org, djwong@...nel.org, chandan.babu@...cle.com,
 p.raghav@...sung.com, linux-kernel@...r.kernel.org, willy@...radead.org,
 linux-mm@...ck.org, david@...morbit.com
Subject: Re: [RFC v2 07/14] readahead: allocate folios with mapping_min_order
 in ra_(unbounded|order)

On 2/13/24 10:37, Pankaj Raghav (Samsung) wrote:
> From: Pankaj Raghav <p.raghav@...sung.com>
> 
> Allocate folios with at least mapping_min_order in
> page_cache_ra_unbounded() and page_cache_ra_order() as we need to
> guarantee a minimum order in the page cache.
> 
> Signed-off-by: Pankaj Raghav <p.raghav@...sung.com>
> Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
> ---
>   mm/readahead.c | 30 ++++++++++++++++++++++++++----
>   1 file changed, 26 insertions(+), 4 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes