Wu Fengguang <fengguang.wu@xxxxxxxxx> writes: > From: Nikanth Karthikesan <knikanth@xxxxxxx> > > Add new kernel parameter "readahead=", which allows user to override > the static VM_MAX_READAHEAD=128kb. > > CC: Ankit Jain <radical@xxxxxxxxx> > CC: Dave Chinner <david@xxxxxxxxxxxxx> > CC: Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx> > Acked-by: Rik van Riel <riel@xxxxxxxxxx> > Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx> > Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx> > --- > Documentation/kernel-parameters.txt | 6 ++++++ > block/blk-core.c | 3 +-- > fs/fuse/inode.c | 2 +- > mm/readahead.c | 19 +++++++++++++++++++ > 4 files changed, 27 insertions(+), 3 deletions(-) > > --- linux-next.orig/Documentation/kernel-parameters.txt 2011-10-19 11:11:14.000000000 +0800 > +++ linux-next/Documentation/kernel-parameters.txt 2011-11-20 11:09:56.000000000 +0800 > @@ -2245,6 +2245,12 @@ bytes respectively. Such letter suffixes > Run specified binary instead of /init from the ramdisk, > used for early userspace startup. See initrd. > > + readahead=nn[KM] > + Default max readahead size for block devices. > + > + This default max readahead size may be overrode s/overrode/overridden/ ? Thanks. > + in some cases, notably NFS, btrfs and software RAID. > + > reboot= [BUGS=X86-32,BUGS=ARM,BUGS=IA-64] Rebooting mode > Format: <reboot_mode>[,<reboot_mode2>[,...]] > See arch/*/kernel/reboot.c or arch/*/kernel/process.c -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>