X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmmap.c;h=3354fdd83d4bde726d7bb2d2a0951debd4cbc51b;hb=751851af7aae9b8bd5a60b3897209081fbc18b2b;hp=fac66337da2a3bcd3a003ba9d33096938c17fb57;hpb=c15a2434ed4868cad99278ac4d4ae4de9de62e02;p=pandora-kernel.git

diff --git a/mm/mmap.c b/mm/mmap.c
index fac66337da2a..3354fdd83d4b 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -80,7 +80,7 @@ EXPORT_SYMBOL(vm_get_page_prot);
 int sysctl_overcommit_memory = OVERCOMMIT_GUESS;  /* heuristic overcommit */
 int sysctl_overcommit_ratio = 50;	/* default is 50% */
 int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
-atomic_t vm_committed_space = ATOMIC_INIT(0);
+atomic_long_t vm_committed_space = ATOMIC_LONG_INIT(0);
 
 /*
  * Check that a process has enough memory to allocate a new virtual
@@ -177,7 +177,7 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 	 * cast `allowed' as a signed long because vm_committed_space
 	 * sometimes has a negative value
 	 */
-	if (atomic_read(&vm_committed_space) < (long)allowed)
+	if (atomic_long_read(&vm_committed_space) < (long)allowed)
 		return 0;
 error:
 	vm_unacct_memory(pages);
@@ -245,10 +245,16 @@ asmlinkage unsigned long sys_brk(unsigned long brk)
 	unsigned long rlim, retval;
 	unsigned long newbrk, oldbrk;
 	struct mm_struct *mm = current->mm;
+	unsigned long min_brk;
 
 	down_write(&mm->mmap_sem);
 
-	if (brk < mm->start_brk)
+#ifdef CONFIG_COMPAT_BRK
+	min_brk = mm->end_code;
+#else
+	min_brk = mm->start_brk;
+#endif
+	if (brk < min_brk)
 		goto out;
 
 	/*