Thread (48 messages) 48 messages, 7 authors, 2018-06-08

[RESEND PATCH V5 32/33] block: always define BIO_MAX_PAGES as 256

flat view
STALE3053d

From: Ming Lei <hidden>
Date: 2018-05-25 03:46:20
Also in: linux-fsdevel, linux-mm, lkml
Subsystem: block layer, the rest · Maintainers: Jens Axboe, Linus Torvalds

Revision v5 of 5 in this series.

Revisions (5)
  1. v2 [diff vs current]
  2. v3 [diff vs current]
  3. v4 [diff vs current]
  4. v5
  5. v5 current
Now multipage bvec can cover CONFIG_THP_SWAP, so we don't need to
increase BIO_MAX_PAGES for it.

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 fc8a8238805e..839dddf81d09 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -38,15 +38,7 @@
 #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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help