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authorDmitry Torokhov <[email protected]>2022-01-17 18:03:39 -0800
committerDmitry Torokhov <[email protected]>2022-01-17 18:03:39 -0800
commit87a0b2fafc09766d8c55461a18345a1cfb10a7fe (patch)
treef2ecd87b34a4709e49b51470056f6b6e528fefca /include/linux/cacheflush.h
parentb6e43dddaea3dbfa93327f986beb3ec5e8157c4c (diff)
parentdf0cc57e057f18e44dac8e6c18aba47ab53202f9 (diff)
Merge tag 'v5.16' into next
Sync up with mainline to bring in the latest API changes.
Diffstat (limited to 'include/linux/cacheflush.h')
-rw-r--r--include/linux/cacheflush.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/cacheflush.h b/include/linux/cacheflush.h
new file mode 100644
index 000000000000..fef8b607f97e
--- /dev/null
+++ b/include/linux/cacheflush.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_CACHEFLUSH_H
+#define _LINUX_CACHEFLUSH_H
+
+#include <asm/cacheflush.h>
+
+#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
+#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
+void flush_dcache_folio(struct folio *folio);
+#endif
+#else
+static inline void flush_dcache_folio(struct folio *folio)
+{
+}
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO 0
+#endif /* ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE */
+
+#endif /* _LINUX_CACHEFLUSH_H */