On Tue, Oct 10, 2017 at 04:50:10PM +0800, Huang, Ying wrote: > Minchan Kim <minchan@xxxxxxxxxx> writes: > > > On Tue, Oct 10, 2017 at 02:08:55PM +0800, Huang, Ying wrote: > >> From: Huang Ying <ying.huang@xxxxxxxxx> > >> > >> When the VMA based swap readahead was introduced, a new knob > >> > >> /sys/kernel/mm/swap/vma_ra_max_order > >> > >> was added as the max window of VMA swap readahead. This is to make it > >> possible to use different max window for VMA based readahead and > >> original physical readahead. But Minchan Kim pointed out that this > >> will cause a regression because setting page-cluster sysctl to zero > >> cannot disable swap readahead with the change. > >> > >> To fix the regression, the page-cluster sysctl is used as the max > >> window of both the VMA based swap readahead and original physical swap > >> readahead. If more fine grained control is needed in the future, more > >> knobs can be added as the subordinate knobs of the page-cluster > >> sysctl. > >> > >> The vma_ra_max_order knob is deleted. Because the knob was > >> introduced in v4.14-rc1, and this patch is targeting being merged > >> before v4.14 releasing, there should be no existing users of this > >> newly added ABI. > >> > >> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > >> Cc: Rik van Riel <riel@xxxxxxxxxx> > >> Cc: Shaohua Li <shli@xxxxxxxxxx> > >> Cc: Hugh Dickins <hughd@xxxxxxxxxx> > >> Cc: Fengguang Wu <fengguang.wu@xxxxxxxxx> > >> Cc: Tim Chen <tim.c.chen@xxxxxxxxx> > >> Cc: Dave Hansen <dave.hansen@xxxxxxxxx> > >> Reported-by: Minchan Kim <minchan@xxxxxxxxxx> > > > > It seems your script is Ccing only with Cc: tag, not other tags. > > Fix it so any participant of topic can get the mail. > > I just used `git send-email`, no other scripts. We need to fix `git send-email`? You can do it via cccmd. Just a reference: ~/bin/kcccmd sed -nre 's/^(Acked|Reviewed|Reported|Tested|Suggested)-by: //p' "$1" -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
