The patch titled Subject: mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix has been added to the -mm tree. Its filename is mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix.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: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix use IS_ANABLED() to suppress warning mm/page_alloc.c: In function ‘__rmqueue’: mm/page_alloc.c:2889:1: warning: label ‘out’ defined but not used [-Wunused-label] out: ^~~ Cc: Hailong liu <liu.hailong6@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix +++ a/mm/page_alloc.c @@ -2862,20 +2862,20 @@ __rmqueue(struct zone *zone, unsigned in { struct page *page; -#ifdef CONFIG_CMA - /* - * Balance movable allocations between regular and CMA areas by - * allocating from CMA when over half of the zone's free memory - * is in the CMA area. - */ - if (alloc_flags & ALLOC_CMA && - zone_page_state(zone, NR_FREE_CMA_PAGES) > - zone_page_state(zone, NR_FREE_PAGES) / 2) { - page = __rmqueue_cma_fallback(zone, order); - if (page) - goto out; + if (IS_ENABLED(CONFIG_CMA)) { + /* + * Balance movable allocations between regular and CMA areas by + * allocating from CMA when over half of the zone's free memory + * is in the CMA area. + */ + if (alloc_flags & ALLOC_CMA && + zone_page_state(zone, NR_FREE_CMA_PAGES) > + zone_page_state(zone, NR_FREE_PAGES) / 2) { + page = __rmqueue_cma_fallback(zone, order); + if (page) + goto out; + } } -#endif retry: page = __rmqueue_smallest(zone, order, migratetype); if (unlikely(!page)) { _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-slub-call-account_slab_page-after-slab-page-initialization-fix.patch mm-page_alloc-add-a-missing-mm_page_alloc_zone_locked-tracepoint-fix.patch mm.patch mm-memcg-slab-pre-allocate-obj_cgroups-for-slab-caches-with-slab_account-fix.patch mm-memcontrol-optimize-per-lruvec-stats-counter-memory-usage-checkpatch-fixes.patch mm-fix-initialization-of-struct-page-for-holes-in-memory-layout-checkpatch-fixes.patch mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings-fix-2.patch kfence-kasan-make-kfence-compatible-with-kasan-fix.patch linux-next-git-rejects.patch set_memory-allow-set_direct_map__noflush-for-multiple-pages-fix.patch arch-mm-wire-up-memfd_secret-system-call-were-relevant-fix.patch kernel-forkc-export-kernel_thread-to-modules.patch