linux-kernel - Re: [PATCH] mm/memblock: add missing include <linux/bootmem.h>

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Date:   Fri, 15 Jun 2018 16:32:40 -0700
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Mathieu Malaterre <malat@...ian.org>, linux-mm@...ck.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm/memblock: add missing include <linux/bootmem.h>

This both compiles and boots on ia64.

Builds OK on x86_64 with an Enterprise OS .config that includes:
CONFIG_HAVE_MEMBLOCK=y
CONFIG_NO_BOOTMEM=y

-Tony

----

diff --git a/mm/memblock.c b/mm/memblock.c
index cc16d70b8333..0a54d488f767 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1225,6 +1225,7 @@ phys_addr_t __init memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, i
 	return memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE);
 }
 
+#if defined(CONFIG_HAVE_MEMBLOCK) && defined(CONFIG_NO_BOOTMEM)
 /**
  * memblock_virt_alloc_internal - allocate boot memory block
  * @size: size of memory block to be allocated in bytes
@@ -1432,6 +1433,7 @@ void * __init memblock_virt_alloc_try_nid(
 	      (u64)max_addr);
 	return NULL;
 }
+#endif
 
 /**
  * __memblock_free_early - free boot memory block