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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-01 13:55:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-01 13:55:39 +0200
commit19ed3bb5587b30ace275cb604fb2b9c60dc49de0 (patch)
treee44bf7a63c6df69dacd4ee4501a97618daa5c013 /include/linux/pagemap.h
parent783100f6ea0ae74a4ff3d616d4bce3b54badf347 (diff)
parent22a40d14b572deb80c0648557f4bd502d7e83826 (diff)
Merge 6.10-rc6 into char-misc-next
We need the char/misc/iio fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/pagemap.h')
-rw-r--r--include/linux/pagemap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index ee633712bba0..59f1df0cde5a 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -381,6 +381,10 @@ static inline void mapping_set_large_folios(struct address_space *mapping)
*/
static inline bool mapping_large_folio_support(struct address_space *mapping)
{
+ /* AS_LARGE_FOLIO_SUPPORT is only reasonable for pagecache folios */
+ VM_WARN_ONCE((unsigned long)mapping & PAGE_MAPPING_ANON,
+ "Anonymous mapping always supports large folio");
+
return IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
test_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}