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From: Matthew Wilcox <willy@infradead.org>
To: Peng Zhang <zhangpeng362@huawei.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	sidhartha.kumar@oracle.com, akpm@linux-foundation.org,
	wangkefeng.wang@huawei.com, sunnanyong@huawei.com
Subject: Re: [PATCH v2 8/9] mm/page_io: convert count_swpout_vm_event() to take in a folio
Date: Wed, 19 Jul 2023 15:24:14 +0100	[thread overview]
Message-ID: <ZLfyDvSgFxkX6Z1Z@casper.infradead.org> (raw)
In-Reply-To: <20230719095848.3422629-9-zhangpeng362@huawei.com>

On Wed, Jul 19, 2023 at 05:58:47PM +0800, Peng Zhang wrote:
> -static inline void count_swpout_vm_event(struct page *page)
> +static inline void count_swpout_vm_event(struct folio *folio)
>  {
>  #ifdef CONFIG_TRANSPARENT_HUGEPAGE
> -	if (unlikely(PageTransHuge(page)))
> +	if (unlikely(folio_test_pmd_mappable(folio)))
>  		count_vm_event(THP_SWPOUT);
>  #endif

As I said in my earlier response, you don't need the ifdefs.  Check
the definition of folio_test_pmd_mappable.



  reply	other threads:[~2023-07-19 14:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-19  9:58 [PATCH v2 0/9] Convert several functions in page_io.c to use " Peng Zhang
2023-07-19  9:58 ` [PATCH v2 1/9] mm/page_io: remove unneeded ClearPageUptodate() Peng Zhang
2023-07-19  9:58 ` [PATCH v2 2/9] mm/page_io: remove unneeded SetPageError() Peng Zhang
2023-07-19  9:58 ` [PATCH v2 3/9] mm/page_io: convert bio_first_page_all() to bio_first_folio_all() Peng Zhang
2023-07-19 14:17   ` Matthew Wilcox
2023-07-20  5:34     ` Christoph Hellwig
2023-07-20  9:31     ` zhangpeng (AS)
2023-07-19  9:58 ` [PATCH v2 4/9] mm/page_io: use a folio in __end_swap_bio_read() Peng Zhang
2023-07-19  9:58 ` [PATCH v2 5/9] mm/page_io: use a folio in sio_read_complete() Peng Zhang
2023-07-19  9:58 ` [PATCH v2 6/9] mm/page_io: use a folio in swap_writepage_bdev_sync() Peng Zhang
2023-07-19  9:58 ` [PATCH v2 7/9] mm/page_io: use a folio in swap_writepage_bdev_async() Peng Zhang
2023-07-19  9:58 ` [PATCH v2 8/9] mm/page_io: convert count_swpout_vm_event() to take in a folio Peng Zhang
2023-07-19 14:24   ` Matthew Wilcox [this message]
2023-07-20  9:31     ` zhangpeng (AS)
2023-07-19  9:58 ` [PATCH v2 9/9] mm/page_io: convert bio_associate_blkg_from_page() " Peng Zhang

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