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authorMatthew Wilcox (Oracle) <willy@infradead.org>2023-08-02 16:13:59 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-08-24 16:20:25 -0700
commit203b7b6aad6769a43987deb81c35456de8bb16c7 (patch)
tree0c1ed92ed1e993bdb1e07eb4246835f656987a8f /include/linux/cacheflush.h
parent29269ad90bed55a9ece007a7ece53f4505df3781 (diff)
mm: rationalise flush_icache_pages() and flush_icache_page()
Move the default (no-op) implementation of flush_icache_pages() to <linux/cacheflush.h> from <asm-generic/cacheflush.h>. Remove the flush_icache_page() wrapper from each architecture into <linux/cacheflush.h>. Link: https://lkml.kernel.org/r/20230802151406.3735276-32-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/cacheflush.h')
-rw-r--r--include/linux/cacheflush.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/cacheflush.h b/include/linux/cacheflush.h
index 82136f3fcf54..55f297b2c23f 100644
--- a/include/linux/cacheflush.h
+++ b/include/linux/cacheflush.h
@@ -17,4 +17,13 @@ static inline void flush_dcache_folio(struct folio *folio)
#define flush_dcache_folio flush_dcache_folio
#endif /* ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE */
+#ifndef flush_icache_pages
+static inline void flush_icache_pages(struct vm_area_struct *vma,
+ struct page *page, unsigned int nr)
+{
+}
+#endif
+
+#define flush_icache_page(vma, page) flush_icache_pages(vma, page, 1)
+
#endif /* _LINUX_CACHEFLUSH_H */