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sparc64: Revert 16GB huge page support.

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It overflows the amount of space available in the initial .text section
of trap handler assembler in some configurations, resulting in build
failures.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2017-08-10 09:49:15 -07:00
parent 5389e239eb
commit 4d9fbf539b
9 changed files with 54 additions and 220 deletions
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20
arch/sparc/include/asm/pgtable_64.h
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@@ -414,11 +414,6 @@ static inline bool is_hugetlb_pmd(pmd_t pmd)
return !!(pmd_val(pmd) & _PAGE_PMD_HUGE);
}
static inline bool is_hugetlb_pud(pud_t pud)
{
return !!(pud_val(pud) & _PAGE_PUD_HUGE);
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
static inline pmd_t pmd_mkhuge(pmd_t pmd)
{
@@ -692,8 +687,6 @@ static inline unsigned long pmd_write(pmd_t pmd)
return pte_write(pte);
}
#define pud_write(pud) pte_write(__pte(pud_val(pud)))
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
static inline unsigned long pmd_dirty(pmd_t pmd)
{
@@ -830,18 +823,9 @@ static inline unsigned long __pmd_page(pmd_t pmd)
return ((unsigned long) __va(pfn << PAGE_SHIFT));
}
static inline unsigned long pud_page_vaddr(pud_t pud)
{
pte_t pte = __pte(pud_val(pud));
unsigned long pfn;
pfn = pte_pfn(pte);
return ((unsigned long) __va(pfn << PAGE_SHIFT));
}
#define pmd_page(pmd) virt_to_page((void *)__pmd_page(pmd))
#define pud_page_vaddr(pud) \
((unsigned long) __va(pud_val(pud)))
#define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud))
#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL)
#define pud_present(pud) (pud_val(pud) != 0U)