Thread (24 messages) 24 messages, 4 authors, 2018-11-15
STALE2796d
Revisions (8)
  1. v8 [diff vs current]
  2. v9 current
  3. v10 [diff vs current]
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  5. v12 [diff vs current]
  6. v13 [diff vs current]
  7. v14 [diff vs current]
  8. v15 [diff vs current]

[PATCH V9 15/19] block: always define BIO_MAX_PAGES as 256

From: Ming Lei <hidden>
Date: 2018-11-13 15:17:03
Also in: lkml
Subsystem: block layer, the rest · Maintainers: Jens Axboe, Linus Torvalds

Now multi-page bvec can cover CONFIG_THP_SWAP, so we don't need to
increase BIO_MAX_PAGES for it.

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <redacted>
---
 include/linux/bio.h | 8 --------
 1 file changed, 8 deletions(-)
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5040e9a2eb09..277921ad42e7 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -34,15 +34,7 @@
 #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)
-- 
2.9.5
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