linux-kernel - [PATCH v2 2/3] riscv: End kernel region search in setup

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Message-Id: <b11898805c2f9f01b10867a05701aa0fafeaa886.1581767384.git.jan.kiszka@web.de>
Date:   Sat, 15 Feb 2020 12:49:43 +0100
From:   Jan Kiszka <jan.kiszka@....de>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] riscv: End kernel region search in setup_bootmem earlier

From: Jan Kiszka <jan.kiszka@...mens.com>

No need to look further when that single region is found.

Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
 arch/riscv/mm/init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index aec39a56d6cf..a774547e9021 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -160,6 +160,8 @@ void __init setup_bootmem(void)
 			if (reg->base + mem_size < end)
 				memblock_remove(reg->base + mem_size,
 						end - reg->base - mem_size);
+
+			break;
 		}
 	}
 	BUG_ON(mem_size == 0);
--
2.16.4