Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

Pull sparc fixes from David Miller:
 "Two Sparc bug fixes from Daniel Jordan and Nitin Gupta"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix hugepage page table free
  sparc64: Use LOCKDEP_SMALL, not PROVE_LOCKING_SMALL

4 files changed, 23 insertions, 7 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 68ac5c7cd982..a59deaef21e5 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -43,7 +43,7 @@ config SPARC
         select ARCH_HAS_SG_CHAIN
         select CPU_NO_EFFICIENT_FFS
         select HAVE_ARCH_HARDENED_USERCOPY
-        select PROVE_LOCKING_SMALL if PROVE_LOCKING
+        select LOCKDEP_SMALL if LOCKDEP
         select ARCH_WANT_RELAX_ORDER
 
 config SPARC32
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index ee5273ad918d..7c29d38e6b99 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -461,6 +461,22 @@ 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);
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h
index c2b88490d857..c08fbd2f5ba9 100644
--- a/kernel/locking/lockdep_internals.h
+++ b/kernel/locking/lockdep_internals.h
@@ -46,13 +46,13 @@ enum {
                 (LOCKF_USED_IN_HARDIRQ_READ | LOCKF_USED_IN_SOFTIRQ_READ)
 
 /*
- * CONFIG_PROVE_LOCKING_SMALL is defined for sparc. Sparc requires .text,
+ * CONFIG_LOCKDEP_SMALL is defined for sparc. Sparc requires .text,
  * .data and .bss to fit in required 32MB limit for the kernel. With
- * PROVE_LOCKING we could go over this limit and cause system boot-up problems.
+ * CONFIG_LOCKDEP we could go over this limit and cause system boot-up problems.
  * So, reduce the static allocations for lockdeps related structures so that
  * everything fits in current required size limit.
  */
-#ifdef CONFIG_PROVE_LOCKING_SMALL
+#ifdef CONFIG_LOCKDEP_SMALL
 /*
  * MAX_LOCKDEP_ENTRIES is the maximum number of lock dependencies
  * we track.
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 97d62c2da6c2..fa16c0f82d6e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1103,9 +1103,6 @@ config PROVE_LOCKING
 
          For more details, see Documentation/locking/lockdep-design.txt.
 
-config PROVE_LOCKING_SMALL
-        bool
-
 config LOCKDEP
         bool
         depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
@@ -1114,6 +1111,9 @@ config LOCKDEP
         select KALLSYMS
         select KALLSYMS_ALL
 
+config LOCKDEP_SMALL
+        bool
+
 config LOCK_STAT
         bool "Lock usage statistics"
         depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT