linux-kernel - Re: [PATCH v2 05/14] mm/sparc: Change pXd_huge() behavior to exclude swap entries

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Date: Tue, 19 Mar 2024 10:04:31 -0400
From: Peter Xu <peterx@...hat.com>
To: Muchun Song <muchun.song@...ux.dev>
Cc: LKML <linux-kernel@...r.kernel.org>, Linux-MM <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org,
	Mike Rapoport <rppt@...nel.org>,
	Matthew Wilcox <willy@...radead.org>, sparclinux@...r.kernel.org,
	Jason Gunthorpe <jgg@...dia.com>, linuxppc-dev@...ts.ozlabs.org,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-arm-kernel@...ts.infradead.org,
	"David S . Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>
Subject: Re: [PATCH v2 05/14] mm/sparc: Change pXd_huge() behavior to exclude
 swap entries

On Tue, Mar 19, 2024 at 12:25:39PM +0800, Muchun Song wrote:
> > @@ -409,14 +409,12 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
> > 
> > int pmd_huge(pmd_t pmd)
> > {
> > - 	return !pmd_none(pmd) &&
> > - 	(pmd_val(pmd) & (_PAGE_VALID|_PAGE_PMD_HUGE)) != _PAGE_VALID;
> > + 	return pmd_leaf(pmd);;
> 
> There is a redundant semicolon in the end.

Will touch it up, thanks.  PS: This will be dropped as a whole in patch 12.

-- 
Peter Xu