From 2292c0b1c4a24da54e29b3cf0645b4a4d9c3f2c7 Mon Sep 17 00:00:00 2001 From: Joonsoo Kim Date: Fri, 17 Jul 2015 16:24:20 -0700 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 Acked-by: Michal Nazarewicz Cc: Sasha Levin Cc: Stefan Strogin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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 7621ee34daa0..22190a7fd58e 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, -- cgit v1.2.3