[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <ZLVGqCwN3FxoQ7cy@casper.infradead.org>
Date: Mon, 17 Jul 2023 14:48:24 +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 5/6] mm/page_io: convert count_swpout_vm_event() to take
in a folio
On Mon, Jul 17, 2023 at 09:26:01PM +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_large(folio)))
> count_vm_event(THP_SWPOUT);
> #endif
Since this is a THP_SWPOUT event, we should do this as:
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- if (unlikely(PageTransHuge(page)))
+ if (folio_test_pmd_mappable(folio))
count_vm_event(THP_SWPOUT);
-#endif
Powered by blists - more mailing lists