Commit 6617da8f authored by Juergen Gross's avatar Juergen Gross Committed by Andrew Morton
Browse files

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: default avatarJuergen Gross <jgross@suse.com>
Acked-by: default avatarYu 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 95bc35f9

arch/loongarch/include/asm/pgtable.h

+1 −0
Original line number Diff line number Diff line
@@ -482,6 +482,7 @@ static inline pmd_t pmd_mkdirty(pmd_t pmd) 
	return pmd;

}



#define pmd_young pmd_young

static inline int pmd_young(pmd_t pmd)

{

	return !!(pmd_val(pmd) & _PAGE_ACCESSED);

arch/mips/include/asm/pgtable.h

+1 −0
Original line number Diff line number Diff line
@@ -622,6 +622,7 @@ static inline pmd_t pmd_mkdirty(pmd_t pmd) 
	return pmd;

}



#define pmd_young pmd_young

static inline int pmd_young(pmd_t pmd)

{

	return !!(pmd_val(pmd) & _PAGE_ACCESSED);

arch/riscv/include/asm/pgtable.h

+1 −0
Original line number Diff line number Diff line
@@ -600,6 +600,7 @@ static inline int pmd_dirty(pmd_t pmd) 
	return pte_dirty(pmd_pte(pmd));

}



#define pmd_young pmd_young

static inline int pmd_young(pmd_t pmd)

{

	return pte_young(pmd_pte(pmd));

arch/s390/include/asm/pgtable.h

+1 −0
Original line number Diff line number Diff line
@@ -763,6 +763,7 @@ static inline int pmd_dirty(pmd_t pmd) 
	return (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) != 0;

}



#define pmd_young pmd_young

static inline int pmd_young(pmd_t pmd)

{

	return (pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG) != 0;

arch/sparc/include/asm/pgtable_64.h

+1 −0
Original line number Diff line number Diff line
@@ -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));