linux-kernel - [PATCH 01/13] arm: mem_init: use memblock_phys

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Message-ID: <20250306185124.3147510-2-rppt@kernel.org>
Date: Thu,  6 Mar 2025 20:51:11 +0200
From: Mike Rapoport <rppt@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
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Subject: [PATCH 01/13] arm: mem_init: use memblock_phys_free() to free DMA memory on SA1111

From: "Mike Rapoport (Microsoft)" <rppt@...nel.org>

This will help to pull out memblock_free_all() to generic code.

Signed-off-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
---
 arch/arm/mm/init.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 5345d218899a..9aec1cb2386f 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -277,14 +277,14 @@ void __init mem_init(void)
 
 	set_max_mapnr(pfn_to_page(max_pfn) - mem_map);
 
-	/* this will put all unused low memory onto the freelists */
-	memblock_free_all();
-
 #ifdef CONFIG_SA1111
 	/* now that our DMA memory is actually so designated, we can free it */
-	free_reserved_area(__va(PHYS_OFFSET), swapper_pg_dir, -1, NULL);
+	memblock_phys_free(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET);
 #endif
 
+	/* this will put all unused low memory onto the freelists */
+	memblock_free_all();
+
 	free_highpages();
 
 	/*
-- 
2.47.2