#define mk_pte_huge(entry) { pte_val(entry) |= _PAGE_P; }
/*
- * This function checks for proper alignment of input addr and len parameters.
+ * Don't actually need to do any preparation, but need to make sure
+ * the address is in the right region.
*/
-int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len)
{
if (len & ~HPAGE_MASK)
return -EINVAL;
if (addr & ~HPAGE_MASK)
return -EINVAL;
- if (REGION_NUMBER(addr) != REGION_HPAGE)
+ if (REGION_NUMBER(addr) != RGN_HPAGE)
return -EINVAL;
return 0;
struct page *page;
pte_t *ptep;
- if (REGION_NUMBER(addr) != REGION_HPAGE)
+ if (REGION_NUMBER(addr) != RGN_HPAGE)
return ERR_PTR(-EINVAL);
ptep = huge_pte_offset(mm, addr);
unsigned long floor, unsigned long ceiling)
{
/*
- * This is called only when is_hugepage_only_range(addr,),
- * and it follows that is_hugepage_only_range(end,) also.
+ * This is called to free hugetlb page tables.
*
* The offset of these addresses from the base of the hugetlb
* region must be scaled down by HPAGE_SIZE/PAGE_SIZE so that
addr = htlbpage_to_page(addr);
end = htlbpage_to_page(end);
- if (is_hugepage_only_range(tlb->mm, floor, HPAGE_SIZE))
+ if (REGION_NUMBER(floor) == RGN_HPAGE)
floor = htlbpage_to_page(floor);
- if (is_hugepage_only_range(tlb->mm, ceiling, HPAGE_SIZE))
+ if (REGION_NUMBER(ceiling) == RGN_HPAGE)
ceiling = htlbpage_to_page(ceiling);
free_pgd_range(tlb, addr, end, floor, ceiling);
return -ENOMEM;
if (len & ~HPAGE_MASK)
return -EINVAL;
- /* This code assumes that REGION_HPAGE != 0. */
- if ((REGION_NUMBER(addr) != REGION_HPAGE) || (addr & (HPAGE_SIZE - 1)))
+ /* This code assumes that RGN_HPAGE != 0. */
+ if ((REGION_NUMBER(addr) != RGN_HPAGE) || (addr & (HPAGE_SIZE - 1)))
addr = HPAGE_REGION_BASE;
else
addr = ALIGN(addr, HPAGE_SIZE);