From: Jinhui Guo <guojinhui.liam@bytedance.com>
Date: Thu, 27 Nov 2025 09:25:12 +0000 (+0800)
Subject: mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
X-Git-Tag: v6.19-rc1~9^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cba2eba9b73d8dfee6b3e7465f510cace71637c;p=thirdparty%2Fkernel%2Flinux.git

mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM

When CONFIG_SPARSEMEM is disabled, the macro
sparse_vmemmap_init_nid_early(_nid, _use) passes two arguments, while the
actual function accepts only nid.  Drop the extra argument _use.

Link: https://lkml.kernel.org/r/20251127092512.278-1-guojinhui.liam@bytedance.com
Fixes: d65917c42373 ("mm/sparse: allow for alternate vmemmap section init at boot")
Signed-off-by: Jinhui Guo <guojinhui.liam@bytedance.com>
Cc: Frank van der Linden <fvdl@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: "David Hildenbrand (Red Hat)" <david@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 4398e027f450..75ef7c9f9307 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -2289,7 +2289,7 @@ void sparse_init(void);
 #else
 #define sparse_init()	do {} while (0)
 #define sparse_index_init(_sec, _nid)  do {} while (0)
-#define sparse_vmemmap_init_nid_early(_nid, _use) do {} while (0)
+#define sparse_vmemmap_init_nid_early(_nid) do {} while (0)
 #define sparse_vmemmap_init_nid_late(_nid) do {} while (0)
 #define pfn_in_present_section pfn_valid
 #define subsection_map_init(_pfn, _nr_pages) do {} while (0)