From: Matthew Wilcox <willy@infradead.org>
To: Yongqiang Liu <liuyongqiang13@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org, yanaijie@huawei.com,
zhangxiaoxu5@huawei.com, wangkefeng.wang@huawei.com,
sunnanyong@huawei.com, linux@armlinux.org.uk, rppt@linux.ibm.com,
linux-kernel@vger.kernel.org, keescook@chromium.org,
arnd@arndb.de, m.szyprowski@samsung.com
Subject: Re: [PATCH] arm: flush: check if the folio is reserved for IMO addresses
Date: Thu, 22 Feb 2024 14:05:32 +0000 [thread overview]
Message-ID: <ZddUrO7i5KZn57FY@casper.infradead.org> (raw)
In-Reply-To: <20240222140147.1880357-1-liuyongqiang13@huawei.com>
On Thu, Feb 22, 2024 at 10:01:47PM +0800, Yongqiang Liu wrote:
> @@ -296,6 +297,9 @@ void __sync_icache_dcache(pte_t pteval)
> return;
>
> folio = page_folio(pfn_to_page(pfn));
> + if (test_bit(PG_reserved, &folio->flags))
> + return;
Why are you using PG_foo directly instead of the helpers?
if (folio_test_reserved(folio))
next prev parent reply other threads:[~2024-02-22 14:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-22 14:01 Yongqiang Liu
2024-02-22 14:05 ` Matthew Wilcox [this message]
2024-02-23 1:57 ` Yongqiang Liu
2024-02-22 14:06 ` Kefeng Wang
2024-02-22 14:38 ` Russell King (Oracle)
2024-02-22 14:47 ` Kefeng Wang
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