readahead: compacting file_ra_state

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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>

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This commit is contained in:

Fengguang Wu 2007-10-16 01:24:31 -07:00 • committed by Linus Torvalds

parent 43fac94dd6

commit 937085aa35

2 changed files with 5 additions and 5 deletions

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8

include/linux/fs.h

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2

mm/readahead.c

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