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(parent: 43fac94) | patch
readahead: compacting file_ra_state
authorFengguang Wu <wfg@mail.ustc.edu.cn>
Tue, 16 Oct 2007 08:24:31 +0000 (01:24 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 16 Oct 2007 16:42:52 +0000 (09:42 -0700)
commit937085aa35cc873d427d250a1e304d641af24628
tree99b0d2d9e6721a72e65b4cb5ad0fc30ec04f4aa2tree | snapshot (tar.gz zip)
parent43fac94dd62667c83dd2daa5b7ac548512af780acommit | diff
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>
include/linux/fs.h diff | blob | blame | history
mm/readahead.c diff | blob | blame | history