The patch titled
readahead: remove size limit on read_ahead_kb
has been removed from the -mm tree. Its filename was
readahead-remove-size-limit-on-read_ahead_kb.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
Subject: readahead: remove size limit on read_ahead_kb
From: Wu Fengguang <wfg@xxxxxxxxxxxxxxxx>
Make possible large readahead values harmless. The stock readahead is
protected by always consulting the avaiable memory before applying this
number. Other readahead paths have already did so.
Signed-off-by: Wu Fengguang <wfg@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
mm/readahead.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/readahead.c~readahead-remove-size-limit-on-read_ahead_kb mm/readahead.c
--- a/mm/readahead.c~readahead-remove-size-limit-on-read_ahead_kb
+++ a/mm/readahead.c
@@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(file_ra_state_init);
*/
static inline unsigned long get_max_readahead(struct file_ra_state *ra)
{
- return ra->ra_pages;
+ return max_sane_readahead(ra->ra_pages);
}
static inline unsigned long get_min_readahead(struct file_ra_state *ra)
_
Patches currently in -mm which might be from wfg@xxxxxxxxxxxxxxxx are
readahead-remove-size-limit-on-read_ahead_kb.patch
readahead-backward-prefetching-method-fix.patch
readahead-remove-the-size-limit-of-max_sectors_kb-on-read_ahead_kb.patch
-
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