linux-kernel - [RFC PATCH 14/29] memblock: add align parameter to memblock_alloc

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Date:   Wed,  5 Sep 2018 18:59:29 +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 14/29] memblock: add align parameter to memblock_alloc_node()

With the align parameter memblock_alloc_node() can be used as drop in
replacement for alloc_bootmem_pages_node().

Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>
---
 include/linux/bootmem.h | 4 ++--
 mm/sparse.c             | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 7d91f0f..3896af2 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -157,9 +157,9 @@ static inline void * __init memblock_alloc_from_nopanic(
 }
 
 static inline void * __init memblock_alloc_node(
-						phys_addr_t size, int nid)
+		phys_addr_t size, phys_addr_t align, int nid)
 {
-	return memblock_alloc_try_nid(size, 0, BOOTMEM_LOW_LIMIT,
+	return memblock_alloc_try_nid(size, align, BOOTMEM_LOW_LIMIT,
 					    BOOTMEM_ALLOC_ACCESSIBLE, nid);
 }
 
diff --git a/mm/sparse.c b/mm/sparse.c
index 04e97af..509828f 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -68,7 +68,7 @@ static noinline struct mem_section __ref *sparse_index_alloc(int nid)
 	if (slab_is_available())
 		section = kzalloc_node(array_size, GFP_KERNEL, nid);
 	else
-		section = memblock_alloc_node(array_size, nid);
+		section = memblock_alloc_node(array_size, 0, nid);
 
 	return section;
 }
-- 
2.7.4