linux-kernel - [PATCH] arm: use memblocks

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Date:   Mon, 11 Feb 2019 13:04:59 +0000
From:   Peng Fan <peng.fan@....com>
To:     "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "arnd@...db.de" <arnd@...db.de>,
        "rppt@...ux.vnet.ibm.com" <rppt@...ux.vnet.ibm.com>,
        "robh@...nel.org" <robh@...nel.org>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "mhocko@...e.com" <mhocko@...e.com>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "nicolas.pitre@...aro.org" <nicolas.pitre@...aro.org>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "van.freenix@...il.com" <van.freenix@...il.com>,
        Peng Fan <peng.fan@....com>
Subject: [PATCH] arm: use memblocks_present

arm_memory_present is doing same thing as memblocks_present, so
let's use common code memblocks_present instead of platform
specific arm_memory_present.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm/mm/init.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 478ea8b7db87..6c50dd407ba8 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -182,21 +182,6 @@ int pfn_valid(unsigned long pfn)
 EXPORT_SYMBOL(pfn_valid);
 #endif
 
-#ifndef CONFIG_SPARSEMEM
-static void __init arm_memory_present(void)
-{
-}
-#else
-static void __init arm_memory_present(void)
-{
-	struct memblock_region *reg;
-
-	for_each_memblock(memory, reg)
-		memory_present(0, memblock_region_memory_base_pfn(reg),
-			       memblock_region_memory_end_pfn(reg));
-}
-#endif
-
 static bool arm_memblock_steal_permitted = true;
 
 phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align)
@@ -292,7 +277,7 @@ void __init bootmem_init(void)
 	 * Sparsemem tries to allocate bootmem in memory_present(),
 	 * so must be done after the fixed reservations
 	 */
-	arm_memory_present();
+	memblocks_present();
 
 	/*
 	 * sparse_init() needs the bootmem allocator up and running.
-- 
2.16.4