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coredump: move core dump functionality into its own file

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This prepares for making core dump functionality optional.

The variable "suid_dumpable" and associated functions are left in fs/exec.c
because they're used elsewhere, such as in ptrace.

Signed-off-by: Alex Kelly <alex.page.kelly@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Alex Kelly 2012-09-26 21:52:08 -04:00 • committed by Al Viro
commit 10c28d937e
4 changed files with 689 additions and 645 deletions
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include/linux/sched.h
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@ -405,6 +405,7 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
extern void set_dumpable(struct mm_struct *mm, int value);
extern int get_dumpable(struct mm_struct *mm);
extern int __get_dumpable(unsigned long mm_flags);
/* get/set_dumpable() values */
#define SUID_DUMPABLE_DISABLED 0