summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorHerbert Xu <herbert@gondor.apana.org.au>2022-03-23 15:35:10 +1200
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-23 10:11:03 -0700
commit30d024b5058e0433914022f87d917a97a9527632 (patch)
treefee0b30d3d92b458ae163cfcae7d02ce6b5719fd
parent6b1f86f8e9c7f9de7ca1cb987b2cf25e99b1ae3a (diff)
cacheflush.h: Add forward declaration for struct folio
The struct folio is not declared in cacheflush.h so we need to provide a forward declaration as otherwise users of this header file may get warnings. Reported-by: Guenter Roeck <linux@roeck-us.net> Fixes: 522a0032af00 ("Add linux/cacheflush.h") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/cacheflush.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cacheflush.h b/include/linux/cacheflush.h
index fef8b607f97e..a6189d21f2ba 100644
--- a/include/linux/cacheflush.h
+++ b/include/linux/cacheflush.h
@@ -4,6 +4,8 @@
#include <asm/cacheflush.h>
+struct folio;
+
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
void flush_dcache_folio(struct folio *folio);