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Subject[PATCH 08/14] readahead: remove parameter ra_max from thrashing_recovery_readahead()
Remove the unused @ra_max from thrashing_recovery_readahead().

Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
---
mm/readahead.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
--- linux-2.6.21-rc3-mm2.orig/mm/readahead.c
+++ linux-2.6.21-rc3-mm2/mm/readahead.c
@@ -1567,9 +1567,8 @@ try_backward_prefetching(struct file_ra_
* Readahead thrashing recovery.
*/
static unsigned long
-thrashing_recovery_readahead(struct address_space *mapping,
- struct file *filp, struct file_ra_state *ra,
- pgoff_t offset, unsigned long ra_max)
+thrashing_recovery_readahead(struct address_space *mapping, struct file *filp,
+ struct file_ra_state *ra, pgoff_t offset)
{
unsigned long ra_size;
int unbalanced_aging = probe_page(mapping, offset - 1);
@@ -1682,8 +1681,7 @@ page_cache_readahead_adaptive(struct add
* Recover from possible thrashing.
*/
if (!page && offset - ra->prev_page <= 1 && ra_has_index(ra, offset))
- return thrashing_recovery_readahead(mapping, filp, ra,
- offset, ra_max);
+ return thrashing_recovery_readahead(mapping, filp, ra, offset);

/*
* State based sequential read-ahead.
--
-
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