linux-kernel - [PATCH 5/5] mm/page_alloc: improve memmap_pages and dma

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Message-Id: <20210517112044.233138-6-aisheng.dong@nxp.com>
Date:   Mon, 17 May 2021 19:20:44 +0800
From:   Dong Aisheng <aisheng.dong@....com>
To:     linux-mm@...ck.org
Cc:     linux-kernel@...r.kernel.org, dongas86@...il.com,
        Dong Aisheng <aisheng.dong@....com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 5/5] mm/page_alloc: improve memmap_pages and dma_reserve dbg msg

Make debug message more accurately.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Dong Aisheng <aisheng.dong@....com>
---
 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