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Mon, 12 Jun 2023 14:04:47 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" Subject: [PATCH v4 01/34] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 12 Jun 2023 14:03:50 -0700 Message-Id: <20230612210423.18611-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230612210423.18611-1-vishal.moola@gmail.com> References: <20230612210423.18611-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 3244B160014 X-Rspam-User: X-Stat-Signature: a1g3jnxgjym4oxq4z6myz6a78wsairyw X-Rspamd-Server: rspam01 X-HE-Tag: 1686603888-55092 X-HE-Meta: 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 UpNklYRM 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 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: No folio equivalents for page type operations have been defined, so define them for later folio conversions. Also changes the Page##uname macros to take in const struct page* since we only read the memory here. Signed-off-by: Vishal Moola (Oracle) --- include/linux/page-flags.h | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 92a2063a0a23..e99a616b9bcd 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -908,6 +908,8 @@ static inline bool is_page_hwpoison(struct page *page) #define PageType(page, flag) \ ((page->page_type & (PAGE_TYPE_BASE | flag)) == PAGE_TYPE_BASE) +#define folio_test_type(folio, flag) \ + ((folio->page.page_type & (PAGE_TYPE_BASE | flag)) == PAGE_TYPE_BASE) static inline int page_type_has_type(unsigned int page_type) { @@ -920,20 +922,34 @@ static inline int page_has_type(struct page *page) } #define PAGE_TYPE_OPS(uname, lname) \ -static __always_inline int Page##uname(struct page *page) \ +static __always_inline int Page##uname(const struct page *page) \ { \ return PageType(page, PG_##lname); \ } \ +static __always_inline int folio_test_##lname(const struct folio *folio)\ +{ \ + return folio_test_type(folio, PG_##lname); \ +} \ static __always_inline void __SetPage##uname(struct page *page) \ { \ VM_BUG_ON_PAGE(!PageType(page, 0), page); \ page->page_type &= ~PG_##lname; \ } \ +static __always_inline void __folio_set_##lname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_type(folio, 0), folio); \ + folio->page.page_type &= ~PG_##lname; \ +} \ static __always_inline void __ClearPage##uname(struct page *page) \ { \ VM_BUG_ON_PAGE(!Page##uname(page), page); \ page->page_type |= PG_##lname; \ -} +} \ +static __always_inline void __folio_clear_##lname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_##lname(folio), folio); \ + folio->page.page_type |= PG_##lname; \ +} \ /* * PageBuddy() indicates that the page is free and in the buddy system -- 2.40.1