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-rw-r--r--fs/proc/task_mmu.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 2e7addfd9803..318d8654989b 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -214,7 +214,7 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
int flags = vma->vm_flags;
unsigned long ino = 0;
unsigned long long pgoff = 0;
- unsigned long start;
+ unsigned long start, end;
dev_t dev = 0;
int len;
@@ -227,13 +227,15 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
/* We don't show the stack guard page in /proc/maps */
start = vma->vm_start;
- if (vma->vm_flags & VM_GROWSDOWN)
- if (!vma_stack_continue(vma->vm_prev, vma->vm_start))
- start += PAGE_SIZE;
+ if (stack_guard_page_start(vma, start))
+ start += PAGE_SIZE;
+ end = vma->vm_end;
+ if (stack_guard_page_end(vma, end))
+ end -= PAGE_SIZE;
seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
start,
- vma->vm_end,
+ end,
flags & VM_READ ? 'r' : '-',
flags & VM_WRITE ? 'w' : '-',
flags & VM_EXEC ? 'x' : '-',

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