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-rw-r--r--include/linux/bio.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 7b1cf4ba0902..1f0720de8990 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -38,7 +38,15 @@
#define BIO_BUG_ON
#endif
+#ifdef CONFIG_THP_SWAP
+#if HPAGE_PMD_NR > 256
+#define BIO_MAX_PAGES HPAGE_PMD_NR
+#else
#define BIO_MAX_PAGES 256
+#endif
+#else
+#define BIO_MAX_PAGES 256
+#endif
#define bio_prio(bio) (bio)->bi_ioprio
#define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio)