The patch titled Subject: mm/page_alloc.c: remove unnecessary parameter in rmqueue_pcplist has been added to the -mm tree. Its filename is mm-page_alloc-remove-unnecessary-parameter-in-rmqueue_pcplist.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-remove-unnecessary-parameter-in-rmqueue_pcplist.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-remove-unnecessary-parameter-in-rmqueue_pcplist.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Yafang Shao <laoar.shao@xxxxxxxxx> Subject: mm/page_alloc.c: remove unnecessary parameter in rmqueue_pcplist Because rmqueue_pcplist() is only called when order is 0, we don't need to use order as a parameter. Link: http://lkml.kernel.org/r/1555591709-11744-1-git-send-email-laoar.shao@xxxxxxxxx Signed-off-by: Yafang Shao <laoar.shao@xxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Acked-by: Pankaj Gupta <pagupta@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-remove-unnecessary-parameter-in-rmqueue_pcplist +++ a/mm/page_alloc.c @@ -3154,9 +3154,8 @@ static struct page *__rmqueue_pcplist(st /* Lock and remove page from the per-cpu list */ static struct page *rmqueue_pcplist(struct zone *preferred_zone, - struct zone *zone, unsigned int order, - gfp_t gfp_flags, int migratetype, - unsigned int alloc_flags) + struct zone *zone, gfp_t gfp_flags, + int migratetype, unsigned int alloc_flags) { struct per_cpu_pages *pcp; struct list_head *list; @@ -3168,7 +3167,7 @@ static struct page *rmqueue_pcplist(stru list = &pcp->lists[migratetype]; page = __rmqueue_pcplist(zone, migratetype, alloc_flags, pcp, list); if (page) { - __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); + __count_zid_vm_events(PGALLOC, page_zonenum(page), 1); zone_statistics(preferred_zone, zone); } local_irq_restore(flags); @@ -3188,8 +3187,8 @@ struct page *rmqueue(struct zone *prefer struct page *page; if (likely(order == 0)) { - page = rmqueue_pcplist(preferred_zone, zone, order, - gfp_flags, migratetype, alloc_flags); + page = rmqueue_pcplist(preferred_zone, zone, gfp_flags, + migratetype, alloc_flags); goto out; } _ Patches currently in -mm which might be from laoar.shao@xxxxxxxxx are mm-vmscan-drop-zone-id-from-kswapd-tracepoints.patch mm-compaction-show-gfp-flag-names-in-try_to_compact_pages-tracepoint.patch mm-compaction-some-tracepoints-should-be-defined-only-when-config_compaction-is-set.patch mm-vmscan-add-tracepoints-for-node-reclaim.patch mm-vmscan-drop-may_writepage-and-classzone_idx-from-direct-reclaim-begin-template.patch mm-page_alloc-remove-unnecessary-parameter-in-rmqueue_pcplist.patch