Re: [PATCH v7 04/11] readahead: allocate folios with mapping_min_order in readahead

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On 6/17/24 18:39, Pankaj Raghav (Samsung) wrote:
On Mon, Jun 17, 2024 at 05:10:15PM +0100, Matthew Wilcox wrote:
On Mon, Jun 17, 2024 at 04:04:20PM +0000, Pankaj Raghav (Samsung) wrote:
On Mon, Jun 17, 2024 at 01:32:42PM +0100, Matthew Wilcox wrote:
So the following can still be there from Hannes patch as we have a
stable reference:

  		ractl->_workingset |= folio_test_workingset(folio);
-		ractl->_nr_pages++;
+		ractl->_nr_pages += folio_nr_pages(folio);
+		i += folio_nr_pages(folio);
  	}

We _can_, but we just allocated it, so we know what size it is already.
Yes.

I'm starting to feel that Hannes' patch should be combined with this
one.

Fine by me. @Hannes, is that ok with you?

Sure. I was about to re-send my patchset anyway, so feel free to wrap it in.

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich





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