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sh/mm: Make pmd_t similar to pte_t

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

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221022114424.645657294%40infradead.org
This commit is contained in:
Peter Zijlstra 2020-11-26 17:05:55 +01:00 committed by Dave Hansen
parent fbfdec9989
commit 0862ff059c
1 changed files with 8 additions and 2 deletions
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10
arch/sh/include/asm/pgtable-3level.h
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@ -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)
{