linux-kernel - [PATCH] mm/cma: Change the addition of totalcma_pages in the cma_init_reserved

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Message-Id: <20240729080431.70916-1-hao.ge@linux.dev>
Date: Mon, 29 Jul 2024 16:04:31 +0800
From: Hao Ge <hao.ge@...ux.dev>
To: akpm@...ux-foundation.org
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Hao Ge <gehao@...inos.cn>
Subject: [PATCH] mm/cma: Change the addition of totalcma_pages in the cma_init_reserved_mem

From: Hao Ge <gehao@...inos.cn>

Replace the unnecessary division calculation with cma->count
when update the value of totalcma_pages.

Signed-off-by: Hao Ge <gehao@...inos.cn>
---
 mm/cma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/cma.c b/mm/cma.c
index 3e9724716bad..95d6950e177b 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -202,7 +202,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
 	cma->order_per_bit = order_per_bit;
 	*res_cma = cma;
 	cma_area_count++;
-	totalcma_pages += (size / PAGE_SIZE);
+	totalcma_pages += cma->count;
 
 	return 0;
 }
-- 
2.25.1