Messages in this thread Patch in this message | | | Date | Sun, 16 Dec 2007 19:59:37 +0800 | From | Fengguang Wu <> | Subject | [PATCH 9/9] readahead: call max_sane_readahead() in ondemand_readahead() |
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Apply the max_sane_readahead() limit in ondemand_readahead(). Just in case someone aggressively set a huge readahead size.
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn> --- mm/readahead.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- linux-2.6.24-rc4-mm1.orig/mm/readahead.c +++ linux-2.6.24-rc4-mm1/mm/readahead.c @@ -324,9 +324,9 @@ ondemand_readahead(struct address_space bool hit_readahead_marker, pgoff_t offset, unsigned long req_size) { - int max = ra->ra_pages; /* max readahead pages */ pgoff_t prev_offset; - int sequential; + int sequential; + int max = max_sane_readahead(ra->ra_pages); /* max readahead pages */ /* * It's the expected callback offset, assume sequential access. --
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