lkml.org 
[lkml]   [2011]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] procfs: fix /proc/<pid>/maps heap check
Date
The current check looks wrong and prints "[heap]" only if the mapping
matches exactly the heap. However, the heap may be merged with some
other mappings, and there may be also be multiple mappings.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Cc: stable@kernel.org
---
fs/proc/task_mmu.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 60b9148..f269ee6 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -249,8 +249,8 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
const char *name = arch_vma_name(vma);
if (!name) {
if (mm) {
- if (vma->vm_start <= mm->start_brk &&
- vma->vm_end >= mm->brk) {
+ if (vma->vm_start <= mm->brk &&
+ vma->vm_end >= mm->start_brk) {
name = "[heap]";
} else if (vma->vm_start <= mm->start_stack &&
vma->vm_end >= mm->start_stack) {
--
1.5.6.5


\
 
 \ /
  Last update: 2011-03-01 17:27    [W:0.051 / U:8.844 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site