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x86: page.h: make pte_t a union to always include

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Make sure pte_t, whatever its definition, has a pte element with type
pteval_t.  This allows common code to access it without needing to be
specifically parameterised on what pagetable mode we're compiling for.
For 32-bit, this means that pte_t becomes a union with "pte" and "{
pte_low, pte_high }" (PAE) or just "pte_low" (non-PAE).

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jeremy Fitzhardinge 2008-01-30 13:32:57 +01:00 • committed by Ingo Molnar
parent b7fff536d0
commit c8e5393ab3
10 changed files with 29 additions and 41 deletions
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2
include/asm-x86/paravirt.h
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@ -922,7 +922,7 @@ static inline pte_t __pte(unsigned long long val)
unsigned long long ret = PVOP_CALL2(unsigned long long,
pv_mmu_ops.make_pte,
val, val >> 32);
return (pte_t) { ret, ret >> 32 };
return (pte_t) { .pte = ret };
}
static inline pmd_t __pmd(unsigned long long val)