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Revert "percpu: free percpu allocation info for uniprocessor system"
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
mm
/
readahead.c
diff --git
a/mm/readahead.c
b/mm/readahead.c
index
0de2360
..
1fa0d6f
100644
(file)
--- a/
mm/readahead.c
+++ b/
mm/readahead.c
@@
-233,14
+233,14
@@
int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
return 0;
}
return 0;
}
+#define MAX_READAHEAD ((512*4096)/PAGE_CACHE_SIZE)
/*
* Given a desired number of PAGE_CACHE_SIZE readahead pages, return a
* sensible upper limit.
*/
unsigned long max_sane_readahead(unsigned long nr)
{
/*
* Given a desired number of PAGE_CACHE_SIZE readahead pages, return a
* sensible upper limit.
*/
unsigned long max_sane_readahead(unsigned long nr)
{
- return min(nr, (node_page_state(numa_node_id(), NR_INACTIVE_FILE)
- + node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
+ return min(nr, MAX_READAHEAD);
}
/*
}
/*