The patch titled Subject: mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix has been added to the -mm tree. Its filename is mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-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-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix fix CONFIG_CMA=n warning mm/hugetlb.c:48:20: warning: hugetlb_cma defined but not used [-Wunused-variable] Cc: Barry Song <song.bao.hua@xxxxxxxxxxxxx> Cc: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Roman Gushchin <guro@xxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb.c | 2 ++ 1 file changed, 2 insertions(+) --- a/mm/hugetlb.c~mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix +++ a/mm/hugetlb.c @@ -45,7 +45,9 @@ int hugetlb_max_hstate __read_mostly; unsigned int default_hstate_idx; struct hstate hstates[HUGE_MAX_HSTATE]; +#ifdef CONFIG_CMA static struct cma *hugetlb_cma[MAX_NUMNODES]; +#endif static unsigned long hugetlb_cma_size __initdata; /* _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-close-race-between-munmap-and-expand_upwards-downwards-fix.patch mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix.patch mm.patch mm-handle-page-mapping-better-in-dump_page-fix.patch mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix.patch mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix-fix.patch mm-thp-replace-http-links-with-https-ones-fix.patch mm-vmstat-add-events-for-thp-migration-without-split-fix.patch linux-next-rejects.patch linux-next-git-rejects.patch mm-migrate-clear-__gfp_reclaim-to-make-the-migration-callback-consistent-with-regular-thp-allocations-fix.patch mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix.patch mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix-2.patch kernel-forkc-export-kernel_thread-to-modules.patch