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Mon, 29 Jul 2024 18:38:59 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, David Hildenbrand , Andrew Morton , Matthew Wilcox , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Janosch Frank , Claudio Imbrenda Subject: [PATCH v1 1/3] mm: simplify arch_make_folio_accessible() Date: Mon, 29 Jul 2024 20:38:42 +0200 Message-ID: <20240729183844.388481-2-david@redhat.com> In-Reply-To: <20240729183844.388481-1-david@redhat.com> References: <20240729183844.388481-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 X-Rspamd-Queue-Id: A5A1A18000C X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 4tpcfwbdbdi4n4nwno8p1w4oaotpaxci X-HE-Tag: 1722278355-339072 X-HE-Meta: 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 2kazv0tr KYGt0nqDTVTu1y42YvgHj+JfexuR9PKJb4tXr0lCQDf6CEx8xKMObZBj12kZgX1Hunhvl7Y1q4wjrCPGdf58aHfM7iOHa1+KFs4+vaixM6Z/Ru1WwgS1kcPihun5IPvKhNb7RfFvN+TYSDyBhKWbAq6W+adtRJmNR7KxiEJ3JBwh8A4YdQ5w0ZBqp76KvpRLjLVaaI5RISpLWCXDGo46JRVZepkisUMOJxieUlTKjXYhSz06UkcAHVNcj7sJ3EAAfzd6irr4DPiM2B07LJlYkyW+IgZzqXz2mtJoMww0w3eZGzrLO2bqYs/qQrIZBkjWSsTdadW66fVYH5cV2bD0mYZxh7w== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Now that s390x implements HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE, let's turn generic arch_make_folio_accessible() into a NOP: there are no other targets that implement HAVE_ARCH_MAKE_PAGE_ACCESSIBLE but not HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE. Signed-off-by: David Hildenbrand --- include/linux/mm.h | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 381750f41767a..bab689ec77f94 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2215,16 +2215,7 @@ static inline int arch_make_page_accessible(struct page *page) #ifndef HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE static inline int arch_make_folio_accessible(struct folio *folio) { - int ret; - long i, nr = folio_nr_pages(folio); - - for (i = 0; i < nr; i++) { - ret = arch_make_page_accessible(folio_page(folio, i)); - if (ret) - break; - } - - return ret; + return 0; } #endif