sparc64: Fix tsb_grow() in atomic context.

[cascardo/linux.git] / arch / sparc / mm / fault_64.c

diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 097aee7..5062ff3 100644 (file)
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -472,8 +472,13 @@ good_area:
 #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
        mm_rss = mm->context.huge_pte_count;
        if (unlikely(mm_rss >
-                    mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit))
-               tsb_grow(mm, MM_TSB_HUGE, mm_rss);
+                    mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit)) {
+               if (mm->context.tsb_block[MM_TSB_HUGE].tsb)
+                       tsb_grow(mm, MM_TSB_HUGE, mm_rss);
+               else
+                       hugetlb_setup(regs);
+
+       }
 #endif
        return;