diff options
| author | Andrew Morton <akpm@digeo.com> | 2003-04-12 12:56:06 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@raven.il.steeleye.com> | 2003-04-12 12:56:06 -0700 |
| commit | 300c26525d4d64338c61d8f2fc776370afc534d6 (patch) | |
| tree | b471048d72bb0b106b04fc984fc79544ec418937 /fs/exec.c | |
| parent | 2accc2e36655759c7fe8ba1afa906588777924aa (diff) | |
[PATCH] correct vm_page_prot on stack pages
From: David Mosberger <davidm@napali.hpl.hp.com>
The patch below is needed to make it possible to map stack pages
without execution permission (as we do on ia64).
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c index 455da3c362e5..e3d434aa3a8f 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -406,7 +406,7 @@ int setup_arg_pages(struct linux_binprm *bprm) mpnt->vm_start = PAGE_MASK & (unsigned long) bprm->p; mpnt->vm_end = STACK_TOP; #endif - mpnt->vm_page_prot = PAGE_COPY; + mpnt->vm_page_prot = protection_map[VM_STACK_FLAGS & 0x7]; mpnt->vm_flags = VM_STACK_FLAGS; mpnt->vm_ops = NULL; mpnt->vm_pgoff = 0; |