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Date: Wed, 15 Jul 2015 14:03:20 +0200 From: Michal Nazarewicz <mina86@...a86.com> To: Joonsoo Kim <js1304@...il.com>, Andrew Morton <akpm@...ux-foundation.org> Cc: Sasha Levin <sasha.levin@...cle.com>, Stefan Strogin <stefan.strogin@...il.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Joonsoo Kim <iamjoonsoo.kim@....com> Subject: Re: [PATCH 1/2] mm/cma_debug: fix debugging alloc/free interface On Wed, Jul 15 2015, Joonsoo Kim wrote: > CMA has alloc/free interface for debugging. It is intended that alloc/free > occurs in specific CMA region, but, currently, alloc/free interface is > on root dir due to the bug so we can't select CMA region where alloc/free > happens. > > This patch fixes this problem by making alloc/free interface per > CMA region. > > Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com> Acked-by: Michal Nazarewicz <mina86@...a86.com> > --- > mm/cma_debug.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/cma_debug.c b/mm/cma_debug.c > index 7621ee3..22190a7 100644 > --- a/mm/cma_debug.c > +++ b/mm/cma_debug.c > @@ -170,10 +170,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) > > tmp = debugfs_create_dir(name, cma_debugfs_root); > > - debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma, > + debugfs_create_file("alloc", S_IWUSR, tmp, cma, > &cma_alloc_fops); > > - debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma, > + debugfs_create_file("free", S_IWUSR, tmp, cma, > &cma_free_fops); > > debugfs_create_file("base_pfn", S_IRUGO, tmp, > -- > 1.9.1 > -- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, Michał “mina86” Nazarewicz (o o) ooo +--<mpn@...gle.com>--<xmpp:mina86@...ber.org>--ooO--(_)--Ooo-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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