[CCing trivial tree] Unquoted patch at https://lkml.org/lkml/2011/11/15/402 On Wed 16-11-11 08:05:07, Wang Sheng-Hui wrote: [...] > Thanks, Michal. > > New patch generated. > > > [PATCH] mm: cleanup the comment for head/tail pages of compound pages in mm/page_alloc.c > > Only tail pages point at the head page using their ->first_page fields. > > Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx> Reviewed-by: Michal Hocko <mhocko@xxxxxxx> > --- > mm/page_alloc.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 6e8ecb6..e7dd848 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -332,8 +332,8 @@ out: > * > * The remaining PAGE_SIZE pages are called "tail pages". > * > - * All pages have PG_compound set. All pages have their ->private pointing at > - * the head page (even the head page has this). > + * All pages have PG_compound set. All tail pages have their ->first_page > + * pointing at the head page. > * > * The first tail page's ->lru.next holds the address of the compound page's > * put_page() function. Its ->lru.prev holds the order of allocation. > -- > 1.7.1 -- Michal Hocko SUSE Labs SUSE LINUX s.r.o. Lihovarska 1060/12 190 00 Praha 9 Czech Republic -- 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>