diff options
| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2009-09-23 15:57:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 07:21:05 -0700 |
| commit | 801460d0cf5c5288153b722565773059b0f44348 (patch) | |
| tree | ff2542903572a546ac59e92f295e9a18e718afa0 /fs/exec.c | |
| parent | 2fa4341074cd02fb39aa23410740764948755635 (diff) | |
| download | lwn-801460d0cf5c5288153b722565773059b0f44348.tar.gz lwn-801460d0cf5c5288153b722565773059b0f44348.zip | |
task_struct cleanup: move binfmt field to mm_struct
Because the binfmt is not different between threads in the same process,
it can be moved from task_struct to mm_struct. And binfmt moudle is
handled per mm_struct instead of task_struct.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/exec.c b/fs/exec.c index 6dc92c39dd94..d49be6bc1793 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1397,10 +1397,12 @@ out_ret: void set_binfmt(struct linux_binfmt *new) { - if (current->binfmt) - module_put(current->binfmt->module); + struct mm_struct *mm = current->mm; + + if (mm->binfmt) + module_put(mm->binfmt->module); - current->binfmt = new; + mm->binfmt = new; if (new) __module_get(new->module); } @@ -1770,7 +1772,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs) audit_core_dumps(signr); - binfmt = current->binfmt; + binfmt = mm->binfmt; if (!binfmt || !binfmt->core_dump) goto fail; |