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Diffstat (limited to 'arch/mips/mm/gup.c')
-rw-r--r--arch/mips/mm/gup.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c
index 349995d19c7f..1afd87c999b0 100644
--- a/arch/mips/mm/gup.c
+++ b/arch/mips/mm/gup.c
@@ -87,8 +87,6 @@ static int gup_huge_pmd(pmd_t pmd, unsigned long addr, unsigned long end,
do {
VM_BUG_ON(compound_head(page) != head);
pages[*nr] = page;
- if (PageTail(page))
- get_huge_page_tail(page);
(*nr)++;
page++;
refs++;
@@ -109,18 +107,7 @@ static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
pmd_t pmd = *pmdp;
next = pmd_addr_end(addr, end);
- /*
- * The pmd_trans_splitting() check below explains why
- * pmdp_splitting_flush has to flush the tlb, to stop
- * this gup-fast code from running while we set the
- * splitting bit in the pmd. Returning zero will take
- * the slow path that will call wait_split_huge_page()
- * if the pmd is still in splitting state. gup-fast
- * can't because it has irq disabled and
- * wait_split_huge_page() would never return as the
- * tlb flush IPI wouldn't run.
- */
- if (pmd_none(pmd) || pmd_trans_splitting(pmd))
+ if (pmd_none(pmd))
return 0;
if (unlikely(pmd_huge(pmd))) {
if (!gup_huge_pmd(pmd, addr, next, write, pages,nr))
@@ -153,8 +140,6 @@ static int gup_huge_pud(pud_t pud, unsigned long addr, unsigned long end,
do {
VM_BUG_ON(compound_head(page) != head);
pages[*nr] = page;
- if (PageTail(page))
- get_huge_page_tail(page);
(*nr)++;
page++;
refs++;