linux-kernel - [PATCH] arm64: use memblocks

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Message-ID: <20190210093738.30923-1-peng.fan@nxp.com>
Date:   Sun, 10 Feb 2019 09:28:43 +0000
From:   Peng Fan <peng.fan@....com>
To:     "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>
CC:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "rppt@...ux.vnet.ibm.com" <rppt@...ux.vnet.ibm.com>,
        "ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "james.morse@....com" <james.morse@....com>,
        "ghackmann@...roid.com" <ghackmann@...roid.com>,
        "stefan@...er.ch" <stefan@...er.ch>,
        "hannes@...xchg.org" <hannes@...xchg.org>,
        "logang@...tatee.com" <logang@...tatee.com>,
        "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] arm64: use memblocks_present

arm64_memory_present is doing same thing as memblocks_present, so
let's use common code memblocks_present instead of platform
specific arm64_memory_present.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/mm/init.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 7205a9085b4d..2302b4093a63 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -285,24 +285,6 @@ int pfn_valid(unsigned long pfn)
 }
 EXPORT_SYMBOL(pfn_valid);
 
-#ifndef CONFIG_SPARSEMEM
-static void __init arm64_memory_present(void)
-{
-}
-#else
-static void __init arm64_memory_present(void)
-{
-	struct memblock_region *reg;
-
-	for_each_memblock(memory, reg) {
-		int nid = memblock_get_region_node(reg);
-
-		memory_present(nid, memblock_region_memory_base_pfn(reg),
-				memblock_region_memory_end_pfn(reg));
-	}
-}
-#endif
-
 static phys_addr_t memory_limit = PHYS_ADDR_MAX;
 
 /*
@@ -489,7 +471,7 @@ void __init bootmem_init(void)
 	 * Sparsemem tries to allocate bootmem in memory_present(), so must be
 	 * done after the fixed reservations.
 	 */
-	arm64_memory_present();
+	memblocks_present();
 
 	sparse_init();
 	zone_sizes_init(min, max);
-- 
2.14.1