From a4448f20dcce5a13223d99a172310fd375c2c123 Mon Sep 17 00:00:00 2001 From: Nitin Gupta Date: Fri, 24 Mar 2017 13:06:22 -0700 Subject: [PATCH] sparc64: Fix address range for page table free Orabug: 25704426 Signed-off-by: Nitin Gupta Signed-off-by: Allen Pais --- arch/sparc/mm/hugetlbpage.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 90c25b5bc113..d56e58792227 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -473,6 +473,22 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, pgd_t *pgd; unsigned long next; + addr &= PMD_MASK; + if (addr < floor) { + addr += PMD_SIZE; + if (!addr) + return; + } + if (ceiling) { + ceiling &= PMD_MASK; + if (!ceiling) + return; + } + if (end - 1 > ceiling - 1) + end -= PMD_SIZE; + if (addr > end - 1) + return; + pgd = pgd_offset(tlb->mm, addr); do { next = pgd_addr_end(addr, end); -- 2.50.1