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Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index e1bf5ca397fe..70a3a2bdf06c 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -24,6 +24,8 @@
#include <asm/tlb.h>
#include <asm/setup.h>
#include <asm/hugetlb.h>
+#include <asm/pte-walk.h>
+
#ifdef CONFIG_HUGETLB_PAGE
@@ -60,8 +62,11 @@ static unsigned nr_gpages;
pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz)
{
- /* Only called for hugetlbfs pages, hence can ignore THP */
- return __find_linux_pte_or_hugepte(mm->pgd, addr, NULL, NULL);
+ /*
+ * Only called for hugetlbfs pages, hence can ignore THP and the
+ * irq disabled walk.
+ */
+ return __find_linux_pte(mm->pgd, addr, NULL, NULL);
}
static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
@@ -886,9 +891,8 @@ void flush_dcache_icache_hugepage(struct page *page)
* This function need to be called with interrupts disabled. We use this variant
* when we have MSR[EE] = 0 but the paca->soft_enabled = 1
*/
-
-pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
- bool *is_thp, unsigned *shift)
+pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea,
+ bool *is_thp, unsigned *hpage_shift)
{
pgd_t pgd, *pgdp;
pud_t pud, *pudp;
@@ -897,8 +901,8 @@ pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
hugepd_t *hpdp = NULL;
unsigned pdshift = PGDIR_SHIFT;
- if (shift)
- *shift = 0;
+ if (hpage_shift)
+ *hpage_shift = 0;
if (is_thp)
*is_thp = false;
@@ -968,11 +972,11 @@ pte_t *__find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
ret_pte = hugepte_offset(*hpdp, ea, pdshift);
pdshift = hugepd_shift(*hpdp);
out:
- if (shift)
- *shift = pdshift;
+ if (hpage_shift)
+ *hpage_shift = pdshift;
return ret_pte;
}
-EXPORT_SYMBOL_GPL(__find_linux_pte_or_hugepte);
+EXPORT_SYMBOL_GPL(__find_linux_pte);
int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr,
unsigned long end, int write, struct page **pages, int *nr)