linux-kernel - [PATCH] memblock: Add missing debug code to memblock_add

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Message-Id: <c45e5218b6fcf0e3aeb63d9a9d9792addae0bb7a.1628672041.git.geert+renesas@glider.be>
Date:   Wed, 11 Aug 2021 10:54:36 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Mike Rapoport <rppt@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] memblock: Add missing debug code to memblock_add_node()

All other memblock APIs built on top of memblock_add_range() contain
debug code to print their parameters.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 mm/memblock.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mm/memblock.c b/mm/memblock.c
index de7b553baa50004c..57a9849a5d820c34 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -665,6 +665,11 @@ static int __init_memblock memblock_add_range(struct memblock_type *type,
 int __init_memblock memblock_add_node(phys_addr_t base, phys_addr_t size,
 				       int nid)
 {
+	phys_addr_t end = base + size - 1;
+
+	memblock_dbg("%s: [%pa-%pa] nid=%d %pS\n", __func__,
+		     &base, &end, nid, (void *)_RET_IP_);
+
 	return memblock_add_range(&memblock.memory, base, size, nid, 0);
 }
 
-- 
2.25.1