jbd2: fix potential memory leak on transaction commit

[pandora-kernel.git] / mm / percpu.c

diff --git a/mm/percpu.c b/mm/percpu.c
index 02ba912..55d4d11 100644 (file)
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -258,7 +258,7 @@ static void __maybe_unused pcpu_next_pop(struct pcpu_chunk *chunk,
 
 /*
  * (Un)populated page region iterators.  Iterate over (un)populated
- * page regions betwen @start and @end in @chunk.  @rs and @re should
+ * page regions between @start and @end in @chunk.  @rs and @re should
  * be integer variables and will be set to start and end page index of
  * the current region.
  */
@@ -293,12 +293,8 @@ static void *pcpu_mem_alloc(size_t size)
 
        if (size <= PAGE_SIZE)
                return kzalloc(size, GFP_KERNEL);
-       else {
-               void *ptr = vmalloc(size);
-               if (ptr)
-                       memset(ptr, 0, size);
-               return ptr;
-       }
+       else
+               return vzalloc(size);
 }
 
 /**
@@ -1012,8 +1008,7 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr)
        }
 
        if (in_first_chunk) {
-               if ((unsigned long)addr < VMALLOC_START ||
-                   (unsigned long)addr >= VMALLOC_END)
+               if (!is_vmalloc_addr(addr))
                        return __pa(addr);
                else
                        return page_to_phys(vmalloc_to_page(addr));