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authorLorenzo Stoakes <lstoakes@gmail.com>2023-01-12 15:39:30 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-02-03 09:33:04 +0300
commitb213ef6b72b5f1f9d333f8aca05440db4e302b46 (patch)
treed6f3e378039d4b3f2dd72cce827c3b4a0b0e28b4 /arch/m68k
parent90d07210ab55e458c87048e1ad55582ecff0a3d5 (diff)
downloadlinux-b213ef6b72b5f1f9d333f8aca05440db4e302b46.tar.xz
m68k/mm/motorola: specify pmd_page() type
Failing to specify a specific type here breaks anything that relies on the type being explicitly known, such as page_folio(). Make explicit the type of null pointer returned here. Link: https://lkml.kernel.org/r/ad6be2821bbd6af10966b3704568ff458b270d9c.1673526881.git.lstoakes@gmail.com Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Christian Brauner <brauner@kernel.org> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Cc: William Kucharski <william.kucharski@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/motorola_pgtable.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h
index 7ac3d64c6b33..562b54e09850 100644
--- a/arch/m68k/include/asm/motorola_pgtable.h
+++ b/arch/m68k/include/asm/motorola_pgtable.h
@@ -124,7 +124,7 @@ static inline void pud_set(pud_t *pudp, pmd_t *pmdp)
* expects pmd_page() to exists, only to then DCE it all. Provide a dummy to
* make the compiler happy.
*/
-#define pmd_page(pmd) NULL
+#define pmd_page(pmd) ((struct page *)NULL)
#define pud_none(pud) (!pud_val(pud))