Merge tag 'v3.15-rc6' into patchwork

Linux 3.15-rc6

* tag 'v3.15-rc6': (1314 commits)
  Linux 3.15-rc6
  Btrfs: send, fix incorrect ref access when using extrefs
  Btrfs: fix EIO on reading file after ioctl clone works on it
  scripts/checksyscalls.sh: Make renameat optional
  asm-generic: Add renameat2 syscall
  ia64: add renameat2 syscall
  parisc: add renameat2 syscall
  m68k: add renameat2 syscall
  sysfs: make sure read buffer is zeroed
  ahci: imx: PLL clock needs 100us to settle down
  PCI: Wrong register used to check pending traffic
  target: fix memory leak on XCOPY
  random: fix BUG_ON caused by accounting simplification
  clk: tegra: Fix wrong value written to PLLE_AUX
  staging: rtl8723au: Do not reset wdev->iftype in netdev_close()
  ACPI / video: Revert native brightness quirk for ThinkPad T530
  staging: rtl8723au: Use correct pipe type for USB interrupts
  crush: decode and initialize chooseleaf_vary_r
  libceph: fix corruption when using page_count 0 page in rbd
  arm64: fix pud_huge() for 2-level pagetables
  ...

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 476f3ebf437e..238b7aa26f68 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -657,10 +657,10 @@ int setup_arg_pages(struct linux_binprm *bprm,
         unsigned long rlim_stack;
 
 #ifdef CONFIG_STACK_GROWSUP
-        /* Limit stack size to 1GB */
+        /* Limit stack size */
         stack_base = rlimit_max(RLIMIT_STACK);
-        if (stack_base > (1 << 30))
-                stack_base = 1 << 30;
+        if (stack_base > STACK_SIZE_MAX)
+                stack_base = STACK_SIZE_MAX;
 
         /* Make sure we didn't let the argument array grow too large. */
         if (vma->vm_end - vma->vm_start > stack_base)