linux-kernel - [PATCH 2/3] mm/memory_hotplug: Export symbol mhp_supports_memmap_on

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Message-Id: <20230613-vv-kmem_memmap-v1-2-f6de9c6af2c6@intel.com>
Date:   Thu, 15 Jun 2023 16:00:24 -0600
From:   Vishal Verma <vishal.l.verma@...el.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Jiang <dave.jiang@...el.com>
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, nvdimm@...ts.linux.dev,
        linux-cxl@...r.kernel.org, Huang Ying <ying.huang@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Vishal Verma <vishal.l.verma@...el.com>
Subject: [PATCH 2/3] mm/memory_hotplug: Export symbol
 mhp_supports_memmap_on_memory()

In preparation for the dax/kmem driver, which can be built as a module,
to use this interface, export it with EXPORT_SYMBOL_GPL().

Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Len Brown <lenb@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: David Hildenbrand <david@...hat.com>
Cc: Oscar Salvador <osalvador@...e.de>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Dave Jiang <dave.jiang@...el.com>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Huang Ying <ying.huang@...el.com>
Signed-off-by: Vishal Verma <vishal.l.verma@...el.com>
---
 mm/memory_hotplug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index bb3845830922..92922080d3fa 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1328,6 +1328,7 @@ bool mhp_supports_memmap_on_memory(unsigned long size, mhp_t mhp_flags)
 		       IS_ALIGNED(remaining_size, (pageblock_nr_pages << PAGE_SHIFT));
 	return false;
 }
+EXPORT_SYMBOL_GPL(mhp_supports_memmap_on_memory);
 
 /*
  * NOTE: The caller must call lock_device_hotplug() to serialize hotplug

-- 
2.40.1