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-rw-r--r--include/linux/page-flags.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index c88d2a9451a..3610ab7659f 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -108,6 +108,7 @@ enum pageflags {
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
PG_compound_lock,
#endif
+ PG_readaheadunused, /* user oriented readahead as yet unused*/
__NR_PAGEFLAGS,
/* Filesystems */
@@ -231,6 +232,8 @@ PAGEFLAG(MappedToDisk, mappedtodisk)
PAGEFLAG(Reclaim, reclaim) TESTCLEARFLAG(Reclaim, reclaim)
PAGEFLAG(Readahead, reclaim) /* Reminder to do async read-ahead */
+PAGEFLAG(ReadaheadUnused, readaheadunused)
+
#ifdef CONFIG_HIGHMEM
/*
* Must use a macro here due to header dependency issues. page_zone() is not