linux-kernel - [RFC PATCH 16/29] memblock: replace __alloc_bootmem_node with appropriate memblock

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Message-Id: <1536163184-26356-17-git-send-email-rppt@linux.vnet.ibm.com>
Date:   Wed,  5 Sep 2018 18:59:31 +0300
From:   Mike Rapoport <rppt@...ux.vnet.ibm.com>
To:     linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Hocko <mhocko@...e.com>,
        Paul Burton <paul.burton@...s.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
        sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>
Subject: [RFC PATCH 16/29] memblock: replace __alloc_bootmem_node with appropriate memblock_ API

Use memblock_alloc_try_nid whenever goal (i.e. mininal address is
specified) and memblock_alloc_node otherwise.

Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>
---
 arch/ia64/mm/discontig.c       |  6 ++++--
 arch/ia64/mm/init.c            |  2 +-
 arch/powerpc/kernel/setup_64.c |  6 ++++--
 arch/sparc/kernel/setup_64.c   | 10 ++++------
 arch/sparc/kernel/smp_64.c     |  4 ++--
 5 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 1928d57..918dda9 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -451,8 +451,10 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
 	if (bestnode == -1)
 		bestnode = anynode;
 
-	ptr = __alloc_bootmem_node(pgdat_list[bestnode], pernodesize,
-		PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
+	ptr = memblock_alloc_try_nid(pernodesize, PERCPU_PAGE_SIZE,
+				     __pa(MAX_DMA_ADDRESS),
+				     BOOTMEM_ALLOC_ACCESSIBLE,
+				     bestnode);
 
 	return ptr;
 }
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index ffcc358..2169ca5 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -459,7 +459,7 @@ int __init create_mem_map_page_table(u64 start, u64 end, void *arg)
 		pte = pte_offset_kernel(pmd, address);
 
 		if (pte_none(*pte))
-			set_pte(pte, pfn_pte(__pa(memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node))) >> PAGE_SHIFT,
+			set_pte(pte, pfn_pte(__pa(memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)) >> PAGE_SHIFT,
 					     PAGE_KERNEL));
 	}
 	return 0;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 6a501b2..6add560 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -757,8 +757,10 @@ void __init emergency_stack_init(void)
 
 static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
 {
-	return __alloc_bootmem_node(NODE_DATA(early_cpu_to_node(cpu)), size, align,
-				    __pa(MAX_DMA_ADDRESS));
+	return memblock_alloc_try_nid(size, align, __pa(MAX_DMA_ADDRESS),
+				      BOOTMEM_ALLOC_ACCESSIBLE,
+				      early_cpu_to_node(cpu));
+
 }
 
 static void __init pcpu_fc_free(void *ptr, size_t size)
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 206bf81..5fb11ea 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -622,12 +622,10 @@ void __init alloc_irqstack_bootmem(void)
 	for_each_possible_cpu(i) {
 		node = cpu_to_node(i);
 
-		softirq_stack[i] = __alloc_bootmem_node(NODE_DATA(node),
-							THREAD_SIZE,
-							THREAD_SIZE, 0);
-		hardirq_stack[i] = __alloc_bootmem_node(NODE_DATA(node),
-							THREAD_SIZE,
-							THREAD_SIZE, 0);
+		softirq_stack[i] = memblock_alloc_node(THREAD_SIZE,
+						       THREAD_SIZE, node);
+		hardirq_stack[i] = memblock_alloc_node(THREAD_SIZE,
+						       THREAD_SIZE, node);
 	}
 }
 
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index d3ea1f3..83ff88d 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1594,8 +1594,8 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, size_t size,
 		pr_debug("per cpu data for cpu%d %lu bytes at %016lx\n",
 			 cpu, size, __pa(ptr));
 	} else {
-		ptr = __alloc_bootmem_node(NODE_DATA(node),
-					   size, align, goal);
+		ptr = memblock_alloc_try_nid(size, align, goal,
+					     BOOTMEM_ALLOC_ACCESSIBLE, node);
 		pr_debug("per cpu data for cpu%d %lu bytes on node%d at "
 			 "%016lx\n", cpu, size, node, __pa(ptr));
 	}
-- 
2.7.4