Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 69dfbaeb authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Michael Ellerman
Browse files

powerpc/mm/radix: Document software bits for radix 



Add #defines for Power ISA 3.0 software defined bits.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 17a3dd2f

arch/powerpc/include/asm/book3s/64/pgtable.h

+6 −2
Original line number Diff line number Diff line
@@ -20,12 +20,16 @@ 
/*

 * Software bits

 */

#define _RPAGE_SW0		0x2000000000000000UL

#define _RPAGE_SW1		0x00800

#define _RPAGE_SW2		0x00400

#define _RPAGE_SW3		0x00200

#ifdef CONFIG_MEM_SOFT_DIRTY

#define _PAGE_SOFT_DIRTY	0x00200 /* software: software dirty tracking */

#define _PAGE_SOFT_DIRTY	_RPAGE_SW3 /* software: software dirty tracking */

#else

#define _PAGE_SOFT_DIRTY	0x00000

#endif

#define _PAGE_SPECIAL		0x00400 /* software: special page */

#define _PAGE_SPECIAL		_RPAGE_SW2 /* software: special page */





#define _PAGE_PTE		(1ul << 62)	/* distinguishes PTEs from pointers */