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authorJuergen Gross <jgross@suse.com>2022-11-30 14:49:41 -0800
committerAndrew Morton <akpm@linux-foundation.org>2022-11-30 14:49:41 -0800
commit6617da8fb565445e0be4a4885443006374943d09 (patch)
tree8ae5dabc8b1fd904e4aa442144ecb55bb0a4cfa0 /arch/sparc
parent95bc35f9bee5220dad4e8567654ab3288a181639 (diff)
mm: add dummy pmd_young() for architectures not having it
In order to avoid #ifdeffery add a dummy pmd_young() implementation as a fallback. This is required for the later patch "mm: introduce arch_has_hw_nonleaf_pmd_young()". Link: https://lkml.kernel.org/r/fd3ac3cd-7349-6bbd-890a-71a9454ca0b3@suse.com Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Yu Zhao <yuzhao@google.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Sander Eikelenboom <linux@eikelenboom.it> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/pgtable_64.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index a779418ceba9..3bc9736bddb1 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -693,6 +693,7 @@ static inline unsigned long pmd_dirty(pmd_t pmd)
return pte_dirty(pte);
}
+#define pmd_young pmd_young
static inline unsigned long pmd_young(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));