Commit 0862ff05 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Dave Hansen
Browse files

sh/mm: Make pmd_t similar to pte_t 



Just like 64bit pte_t, have a low/high split in pmd_t.

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221022114424.645657294%40infradead.org
parent fbfdec99

arch/sh/include/asm/pgtable-3level.h

+8 −2
Original line number Diff line number Diff line
@@ -28,9 +28,15 @@ 
#define pmd_ERROR(e) \

	printk("%s:%d: bad pmd %016llx.\n", __FILE__, __LINE__, pmd_val(e))



typedef struct { unsigned long long pmd; } pmd_t;

typedef struct {

	struct {

		unsigned long pmd_low;

		unsigned long pmd_high;

	};

	unsigned long long pmd;

} pmd_t;

#define pmd_val(x)	((x).pmd)

#define __pmd(x)	((pmd_t) { (x) } )

#define __pmd(x)	((pmd_t) { .pmd = (x) } )



static inline pmd_t *pud_pgtable(pud_t pud)

{