[PATCH 5/5] mm/page_alloc: improve memmap_pages and dma_reserve dbg msg

From: Dong Aisheng
Date: Mon May 17 2021 - 07:22:05 EST


Make debug message more accurately.

Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
---
mm/page_alloc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3100fcb08500..16f494352f58 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7263,14 +7263,15 @@ static void __init free_area_init_core(struct pglist_data *pgdat)
pr_debug(" %s zone: %lu pages used for memmap\n",
zone_names[j], memmap_pages);
} else
- pr_warn(" %s zone: %lu pages exceeds freesize %lu\n",
+ pr_warn(" %s zone: %lu memmap pages exceeds freesize %lu\n",
zone_names[j], memmap_pages, freesize);
}

/* Account for reserved pages */
if (j == 0 && freesize > dma_reserve) {
freesize -= dma_reserve;
- pr_debug(" %s zone: %lu pages reserved\n", zone_names[0], dma_reserve);
+ pr_debug(" %s zone: %lu pages reserved for dma\n",
+ zone_names[0], dma_reserve);
}

if (!is_highmem_idx(j))
--
2.25.1