diff options
| author | Eric B Munson <ebmunson@us.ibm.com> | 2010-05-18 15:30:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-06-09 11:12:34 +0200 |
| commit | 3af9e859281bda7eb7c20b51879cf43aa788ac2e (patch) | |
| tree | cddb7fc788abc826551e12bba5892c6b26942392 /fs/exec.c | |
| parent | 8ed92280be013180e24c84456ab6babcb07037cc (diff) | |
| download | lwn-3af9e859281bda7eb7c20b51879cf43aa788ac2e.tar.gz lwn-3af9e859281bda7eb7c20b51879cf43aa788ac2e.zip | |
perf: Add non-exec mmap() tracking
Add the capacility to track data mmap()s. This can be used together
with PERF_SAMPLE_ADDR for data profiling.
Signed-off-by: Anton Blanchard <anton@samba.org>
[Updated code for stable perf ABI]
Signed-off-by: Eric B Munson <ebmunson@us.ibm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1274193049-25997-1-git-send-email-ebmunson@us.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c index e19de6a80339..97d91a03fb13 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -653,6 +653,7 @@ int setup_arg_pages(struct linux_binprm *bprm, else stack_base = vma->vm_start - stack_expand; #endif + current->mm->start_stack = bprm->p; ret = expand_stack(vma, stack_base); if (ret) ret = -EFAULT; |