The patch titled Subject: mm/cma.c: free the reserved memblock when free cma pages has been added to the -mm tree. Its filename is free-the-reserved-memblock-when-free-cma-pages.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/free-the-reserved-memblock-when-free-cma-pages.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/free-the-reserved-memblock-when-free-cma-pages.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/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: "Wang, Yalin" <Yalin.Wang@xxxxxxxxxxxxxx> Subject: mm/cma.c: free the reserved memblock when free cma pages Add memblock_free to also free the reserved memblock, so that the cma pages are not marked as reserved memory in /sys/kernel/debug/memblock/reserved debug file Marek said: : When cma_activate_area() is called noone should use memblock to allocate : memory, but it is ok to call memblock_free() to update memblock : statistics, so users won't be confused by cma entries in : /sys/kernel/debug/memblock/reserved file. Signed-off-by: Yalin Wang <yalin.wang@xxxxxxxxxxxxxx> Acked-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/cma.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN mm/cma.c~free-the-reserved-memblock-when-free-cma-pages mm/cma.c --- a/mm/cma.c~free-the-reserved-memblock-when-free-cma-pages +++ a/mm/cma.c @@ -115,6 +115,8 @@ static int __init cma_activate_area(stru goto err; } init_cma_reserved_pageblock(pfn_to_page(base_pfn)); + memblock_free(__pfn_to_phys(base_pfn), + pageblock_nr_pages * PAGE_SIZE); } while (--i); mutex_init(&cma->lock); _ Patches currently in -mm which might be from Yalin.Wang@xxxxxxxxxxxxxx are free-the-reserved-memblock-when-free-cma-pages.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html