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Message-ID: <ZLfyDvSgFxkX6Z1Z@casper.infradead.org>
Date: Wed, 19 Jul 2023 15:24:14 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Peng Zhang <zhangpeng362@...wei.com>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
sidhartha.kumar@...cle.com, akpm@...ux-foundation.org,
wangkefeng.wang@...wei.com, sunnanyong@...wei.com
Subject: Re: [PATCH v2 8/9] mm/page_io: convert count_swpout_vm_event() to
take in a folio
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.
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