The patch titled
Subject: mm/cma_debug: fix debugging alloc/free interface
has been added to the -mm tree. Its filename is
mm-cma_debug-fix-debugging-alloc-free-interface.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-cma_debug-fix-debugging-alloc-free-interface.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-cma_debug-fix-debugging-alloc-free-interface.patch
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------------------------------------------------------
From: Joonsoo Kim <js1304@xxxxxxxxx>
Subject: mm/cma_debug: fix debugging alloc/free interface
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@xxxxxxx>
Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Cc: Stefan Strogin <stefan.strogin@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/cma_debug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/cma_debug.c~mm-cma_debug-fix-debugging-alloc-free-interface mm/cma_debug.c
--- a/mm/cma_debug.c~mm-cma_debug-fix-debugging-alloc-free-interface
+++ a/mm/cma_debug.c
@@ -170,10 +170,10 @@ static void cma_debugfs_add_one(struct c
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,
_
Patches currently in -mm which might be from js1304@xxxxxxxxx are
mm-page_owner-fix-possible-access-violation.patch
mm-page_owner-set-correct-gfp_mask-on-page_owner.patch
mm-cma_debug-fix-debugging-alloc-free-interface.patch
mm-cma_debug-correct-size-input-to-bitmap-function.patch
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