linux-kernel - [RFC PATCH 09/47] mm: Add __PAGEFLAG

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Message-Id: <20220223052223.1202152-10-junaids@google.com>
Date:   Tue, 22 Feb 2022 21:21:45 -0800
From:   Junaid Shahid <junaids@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     kvm@...r.kernel.org, pbonzini@...hat.com, jmattson@...gle.com,
        pjt@...gle.com, oweisse@...gle.com, alexandre.chartre@...cle.com,
        rppt@...ux.ibm.com, dave.hansen@...ux.intel.com,
        peterz@...radead.org, tglx@...utronix.de, luto@...nel.org,
        linux-mm@...ck.org
Subject: [RFC PATCH 09/47] mm: Add __PAGEFLAG_FALSE

__PAGEFLAG_FALSE is a non-atomic equivalent of PAGEFLAG_FALSE.

Signed-off-by: Junaid Shahid <junaids@...gle.com>


---
 include/linux/page-flags.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index b5f14d581113..b90a17e9796d 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -390,6 +390,10 @@ static inline int Page##uname(const struct page *page) { return 0; }
 static inline void folio_set_##lname(struct folio *folio) { }		\
 static inline void SetPage##uname(struct page *page) {  }
 
+#define __SETPAGEFLAG_NOOP(uname, lname)				\
+static inline void __folio_set_##lname(struct folio *folio) { }		\
+static inline void __SetPage##uname(struct page *page) {  }
+
 #define CLEARPAGEFLAG_NOOP(uname, lname)				\
 static inline void folio_clear_##lname(struct folio *folio) { }		\
 static inline void ClearPage##uname(struct page *page) {  }
@@ -411,6 +415,9 @@ static inline int TestClearPage##uname(struct page *page) { return 0; }
 #define PAGEFLAG_FALSE(uname, lname) TESTPAGEFLAG_FALSE(uname, lname)	\
 	SETPAGEFLAG_NOOP(uname, lname) CLEARPAGEFLAG_NOOP(uname, lname)
 
+#define __PAGEFLAG_FALSE(uname, lname) TESTPAGEFLAG_FALSE(uname, lname)	\
+	__SETPAGEFLAG_NOOP(uname, lname) __CLEARPAGEFLAG_NOOP(uname, lname)
+
 #define TESTSCFLAG_FALSE(uname, lname)					\
 	TESTSETFLAG_FALSE(uname, lname) TESTCLEARFLAG_FALSE(uname, lname)
 
-- 
2.35.1.473.g83b2b277ed-goog