From: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com>
To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        iommu@lists.linux-foundation.org, linux-mm@kvack.org
Cc: Will.Deacon@arm.com, robin.murphy@arm.com, lorenzo.pieralisi@arm.com,
        hanjun.guo@linaro.org, joro@8bytes.org, vbabka@suse.cz,
        akpm@linux-foundation.org, mhocko@suse.com, Tomasz.Nowicki@cavium.com,
        Robert.Richter@cavium.com, jnair@caviumnetworks.com,
        gklkml16@gmail.com
Subject: [PATCH 1/4] mm: move function alloc_pages_exact_nid out of __meminit
Date: Thu, 21 Sep 2017 14:29:19 +0530
Message-Id: <20170921085922.11659-2-ganapatrao.kulkarni@cavium.com>
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This function can be used on NUMA systems in place of alloc_pages_exact
Adding code to export and to remove __meminit section tagging.

Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com>
---
 include/linux/gfp.h | 2 +-
 mm/page_alloc.c     | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index f780718..a4bd234 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -528,7 +528,7 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask);
 
 void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
 void free_pages_exact(void *virt, size_t size);
-void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);
+void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);
 
 #define __get_free_page(gfp_mask) \
 		__get_free_pages((gfp_mask), 0)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c841af8..7975870 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4442,7 +4442,7 @@ EXPORT_SYMBOL(alloc_pages_exact);
  * Like alloc_pages_exact(), but try to allocate on node nid first before falling
  * back.
  */
-void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask)
+void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask)
 {
 	unsigned int order = get_order(size);
 	struct page *p = alloc_pages_node(nid, gfp_mask, order);
@@ -4450,6 +4450,7 @@ void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask)
 		return NULL;
 	return make_alloc_exact((unsigned long)page_address(p), order, size);
 }
+EXPORT_SYMBOL(alloc_pages_exact_nid);
 
 /**
  * free_pages_exact - release memory allocated via alloc_pages_exact()
-- 
2.9.4