On Tue 25-08-15 22:01:30, Yaowei Bai wrote: > We use sysctl_lowmem_reserve_ratio rather than sysctl_lower_zone_reserve_ratio to > determine how aggressive the kernel is in defending lowmem from the possibility of > being captured into pinned user memory. To avoid misleading, correct it in some > comments. We never had a sysctl like that AFAICS in git history. > Signed-off-by: Yaowei Bai <bywxiaobai@xxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> > --- > mm/page_alloc.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 0a0acdb..b730f7d 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -6043,7 +6043,7 @@ void __init page_alloc_init(void) > } > > /* > - * calculate_totalreserve_pages - called when sysctl_lower_zone_reserve_ratio > + * calculate_totalreserve_pages - called when sysctl_lowmem_reserve_ratio > * or min_free_kbytes changes. > */ > static void calculate_totalreserve_pages(void) > @@ -6087,7 +6087,7 @@ static void calculate_totalreserve_pages(void) > > /* > * setup_per_zone_lowmem_reserve - called whenever > - * sysctl_lower_zone_reserve_ratio changes. Ensures that each zone > + * sysctl_lowmem_reserve_ratio changes. Ensures that each zone > * has a correct pages reserved value, so an adequate number of > * pages are left in the zone after a successful __alloc_pages(). > */ > -- > 1.9.1 > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Michal Hocko SUSE Labs -- 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>