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authorWu Fengguang <fengguang.wu@intel.com>2009-06-17 00:31:30 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-17 04:47:29 +0200
commitd30a11004e3411909f2448546f036a011978062e (patch)
treec1980adb410d9fabd2c2eb8af9f0ed8ee4b656da /mm/mmap.c
parentreadahead: enforce full readahead size on async mmap readahead (diff)
downloadlinux-d30a11004e3411909f2448546f036a011978062e.tar.xz
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readahead: record mmap read-around states in file_ra_state
Mmap read-around now shares the same code style and data structure with readahead code. This also removes do_page_cache_readahead(). Its last user, mmap read-around, has been changed to call ra_submit(). The no-readahead-if-congested logic is dumped by the way. Users will be pretty sensitive about the slow loading of executables. So it's unfavorable to disabled mmap read-around on a congested queue. [akpm@linux-foundation.org: coding-style fixes] Cc: Nick Piggin <npiggin@suse.de> Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn> Cc: Ying Han <yinghan@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
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