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| author | Fengguang Wu <wfg@mail.ustc.edu.cn> | 2007-10-16 01:24:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:42:52 -0700 |
| commit | 937085aa35cc873d427d250a1e304d641af24628 (patch) | |
| tree | 99b0d2d9e6721a72e65b4cb5ad0fc30ec04f4aa2 /mm/readahead.c | |
| parent | 43fac94dd62667c83dd2daa5b7ac548512af780a (diff) | |
| download | lwn-937085aa35cc873d427d250a1e304d641af24628.tar.gz lwn-937085aa35cc873d427d250a1e304d641af24628.zip | |
readahead: compacting file_ra_state
Use 'unsigned int' instead of 'unsigned long' for readahead sizes.
This helps reduce memory consumption on 64bit CPU when a lot of files are
opened.
CC: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/readahead.c')
| -rw-r--r-- | mm/readahead.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index be20c9d699d3..d2504877b269 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -351,7 +351,7 @@ ondemand_readahead(struct address_space *mapping, bool hit_readahead_marker, pgoff_t offset, unsigned long req_size) { - unsigned long max; /* max readahead pages */ + int max; /* max readahead pages */ int sequential; max = ra->ra_pages; |