linux-kernel - [v3 PATCH 2/7] mm: memory: make numa_migrate

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Date:   Tue, 18 May 2021 13:07:56 -0700
From:   Yang Shi <shy828301@...il.com>
To:     mgorman@...e.de, kirill.shutemov@...ux.intel.com, ziy@...dia.com,
        ying.huang@...el.com, mhocko@...e.com, hughd@...gle.com,
        gerald.schaefer@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, borntraeger@...ibm.com,
        akpm@...ux-foundation.org
Cc:     shy828301@...il.com, linux-mm@...ck.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [v3 PATCH 2/7] mm: memory: make numa_migrate_prep() non-static

The numa_migrate_prep() will be used by huge NUMA fault as well in the following
patch, make it non-static.

Acked-by: Mel Gorman <mgorman@...e.de>
Signed-off-by: Yang Shi <shy828301@...il.com>
---
 mm/internal.h | 3 +++
 mm/memory.c   | 5 ++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index 8a176d1d0176..28fc471b4669 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -653,4 +653,7 @@ int vmap_pages_range_noflush(unsigned long addr, unsigned long end,
 
 void vunmap_range_noflush(unsigned long start, unsigned long end);
 
+int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
+		      unsigned long addr, int page_nid, int *flags);
+
 #endif	/* __MM_INTERNAL_H */
diff --git a/mm/memory.c b/mm/memory.c
index f9df3ab12813..a2f2c2a8d28e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4129,9 +4129,8 @@ static vm_fault_t do_fault(struct vm_fault *vmf)
 	return ret;
 }
 
-static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
-				unsigned long addr, int page_nid,
-				int *flags)
+int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
+		      unsigned long addr, int page_nid, int *flags)
 {
 	get_page(page);
 
-- 
2.26.2