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Mon, 26 Jun 2023 20:15:09 -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)" , Mike Rapoport Subject: [PATCH v6 01/33] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 26 Jun 2023 20:13:59 -0700 Message-Id: <20230627031431.29653-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> References: <20230627031431.29653-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: C134540005 X-Stat-Signature: eakm6oo1u5bbwnepedt3h8ituhnpj963 X-Rspam-User: X-HE-Tag: 1687835710-395996 X-HE-Meta: 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 LgU4l19V 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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) Acked-by: Mike Rapoport (IBM) --- include/linux/page-flags.h | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 92a2063a0a23..9218028caf33 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) { @@ -919,27 +921,41 @@ static inline int page_has_type(struct page *page) return page_type_has_type(page->page_type); } -#define PAGE_TYPE_OPS(uname, lname) \ -static __always_inline int Page##uname(struct page *page) \ +#define PAGE_TYPE_OPS(uname, lname, fname) \ +static __always_inline int Page##uname(const struct page *page) \ { \ return PageType(page, PG_##lname); \ } \ +static __always_inline int folio_test_##fname(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_##fname(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_##fname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_##fname(folio), folio); \ + folio->page.page_type |= PG_##lname; \ +} \ /* * PageBuddy() indicates that the page is free and in the buddy system * (see mm/page_alloc.c). */ -PAGE_TYPE_OPS(Buddy, buddy) +PAGE_TYPE_OPS(Buddy, buddy, buddy) /* * PageOffline() indicates that the page is logically offline although the @@ -963,7 +979,7 @@ PAGE_TYPE_OPS(Buddy, buddy) * pages should check PageOffline() and synchronize with such drivers using * page_offline_freeze()/page_offline_thaw(). */ -PAGE_TYPE_OPS(Offline, offline) +PAGE_TYPE_OPS(Offline, offline, offline) extern void page_offline_freeze(void); extern void page_offline_thaw(void); @@ -973,12 +989,12 @@ extern void page_offline_end(void); /* * Marks pages in use as page tables. */ -PAGE_TYPE_OPS(Table, table) +PAGE_TYPE_OPS(Table, table, pgtable) /* * Marks guardpages used with debug_pagealloc. */ -PAGE_TYPE_OPS(Guard, guard) +PAGE_TYPE_OPS(Guard, guard, guard) extern bool is_free_buddy_page(struct page *page); -- 2.40.1