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thp: consolidate code between handle_mm_fault() and do_huge_pmd_anonymous_page()
[firefly-linux-kernel-4.4.55.git]
/
mm
/
readahead.c
diff --git
a/mm/readahead.c
b/mm/readahead.c
index 829a77c628348a78b9efc130689d549368a57567..e4ed04149785f069b201cd2ffaa9caa90c4b0d22 100644
(file)
--- a/
mm/readahead.c
+++ b/
mm/readahead.c
@@
-371,10
+371,10
@@
static int try_context_readahead(struct address_space *mapping,
size = count_history_pages(mapping, ra, offset, max);
/*
size = count_history_pages(mapping, ra, offset, max);
/*
- * no history pages:
+ * no
t enough
history pages:
* it could be a random read
*/
* it could be a random read
*/
- if (
!
size)
+ if (
size <= req_
size)
return 0;
/*
return 0;
/*
@@
-385,8
+385,8
@@
static int try_context_readahead(struct address_space *mapping,
size *= 2;
ra->start = offset;
size *= 2;
ra->start = offset;
- ra->size =
get_init_ra_size
(size + req_size, max);
- ra->async_size =
ra->size
;
+ ra->size =
min
(size + req_size, max);
+ ra->async_size =
1
;
return 1;
}
return 1;
}