2021-02-08 12:16:53

by Georgi Djakov

[permalink] [raw]
Subject: [PATCH] mm: cma: Print region name on failure

From: Patrick Daly <[email protected]>

Print the name of the cma region for convienience. This is useful
information to have when cma_alloc() fails.

Signed-off-by: Patrick Daly <[email protected]>
Signed-off-by: Georgi Djakov <[email protected]>
---
mm/cma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/cma.c b/mm/cma.c
index 23d4a97c834a..9ca6eaa0e52e 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -500,8 +500,8 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
}

if (ret && !no_warn) {
- pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n",
- __func__, count, ret);
+ pr_err("%s: %s: alloc failed, req-size: %zu pages, ret: %d\n",
+ __func__, cma->name, cma->count, ret);
cma_debug_show_areas(cma);
}