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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_COREDUMP_H
#define _LINUX_SCHED_COREDUMP_H

#include <linux/mm_types.h>

#define SUID_DUMP_DISABLE	0	/* No setuid dumping */
#define SUID_DUMP_USER		1	/* Dump as user of process */
#define SUID_DUMP_ROOT		2	/* Dump as root */

/* mm flags */

/* for SUID_DUMP_* above */
#define MMF_DUMPABLE_BITS 2
#define MMF_DUMPABLE_MASK ((1 << MMF_DUMPABLE_BITS) - 1)

extern void set_dumpable(struct mm_struct *mm, int value);
/*
 * This returns the actual value of the suid_dumpable flag. For things
 * that are using this for checking for privilege transitions, it must
 * test against SUID_DUMP_USER rather than treating it as a boolean
 * value.
 */
static inline int __get_dumpable(unsigned long mm_flags)
{
	return mm_flags & MMF_DUMPABLE_MASK;
}

static inline int get_dumpable(struct mm_struct *mm)
{
	return __get_dumpable(mm->flags);
}

/* coredump filter bits */
#define MMF_DUMP_ANON_PRIVATE	2
#define MMF_DUMP_ANON_SHARED	3
#define MMF_DUMP_MAPPED_PRIVATE	4
#define MMF_DUMP_MAPPED_SHARED	5
#define MMF_DUMP_ELF_HEADERS	6
#define MMF_DUMP_HUGETLB_PRIVATE 7
#define MMF_DUMP_HUGETLB_SHARED  8
#define MMF_DUMP_DAX_PRIVATE	9
#define MMF_DUMP_DAX_SHARED	10

#define MMF_DUMP_FILTER_SHIFT	MMF_DUMPABLE_BITS
#define MMF_DUMP_FILTER_BITS	9
#define MMF_DUMP_FILTER_MASK \
	(((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT)
#define MMF_DUMP_FILTER_DEFAULT \
	((1 << MMF_DUMP_ANON_PRIVATE) |	(1 << MMF_DUMP_ANON_SHARED) |\
	 (1 << MMF_DUMP_HUGETLB_PRIVATE) | MMF_DUMP_MASK_DEFAULT_ELF)

#ifdef CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS
# define MMF_DUMP_MASK_DEFAULT_ELF	(1 << MMF_DUMP_ELF_HEADERS)
#else
# define MMF_DUMP_MASK_DEFAULT_ELF	0
#endif
					/* leave room for more dump flags */
#define MMF_VM_MERGEABLE	16	/* KSM may merge identical pages */
#define MMF_VM_HUGEPAGE		17	/* set when VM_HUGEPAGE is set on vma */
/*
 * This one-shot flag is dropped due to necessity of changing exe once again
 * on NFS restore
 */
//#define MMF_EXE_FILE_CHANGED	18	/* see prctl_set_mm_exe_file() */

#define MMF_HAS_UPROBES		19	/* has uprobes */
#define MMF_RECALC_UPROBES	20	/* MMF_HAS_UPROBES can be wrong */
#define MMF_OOM_SKIP		21	/* mm is of no interest for the OOM killer */
#define MMF_UNSTABLE		22	/* mm is unstable for copy_from_user */
#define MMF_HUGE_ZERO_PAGE	23      /* mm has ever used the global huge zero page */
#define MMF_DISABLE_THP		24	/* disable THP for all VMAs */
#define MMF_OOM_VICTIM		25	/* mm is the oom victim */
#define MMF_OOM_REAP_QUEUED	26	/* mm was queued for oom_reaper */
#define MMF_MULTIPROCESS	27	/* mm is shared between processes */
#define MMF_DISABLE_THP_MASK	(1 << MMF_DISABLE_THP)

#define MMF_INIT_MASK		(MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\
				 MMF_DISABLE_THP_MASK)

#endif /* _LINUX_SCHED_COREDUMP_H */

Filemanager

Name Type Size Permission Actions
autogroup.h File 1.2 KB 0644
clock.h File 2.45 KB 0644
coredump.h File 2.75 KB 0644
cpufreq.h File 887 B 0644
cputime.h File 5.13 KB 0644
deadline.h File 597 B 0644
debug.h File 1.41 KB 0644
hotplug.h File 578 B 0644
idle.h File 1.77 KB 0644
init.h File 240 B 0644
isolation.h File 1.33 KB 0644
jobctl.h File 1.46 KB 0644
loadavg.h File 1.17 KB 0644
mm.h File 7.63 KB 0644
nohz.h File 1.22 KB 0644
numa_balancing.h File 1.26 KB 0644
prio.h File 1.71 KB 0644
rt.h File 1.41 KB 0644
signal.h File 17.79 KB 0644
smt.h File 415 B 0644
stat.h File 1.02 KB 0644
sysctl.h File 2.5 KB 0644
task.h File 3.9 KB 0644
task_stack.h File 3.03 KB 0644
topology.h File 6.18 KB 0644
user.h File 1.7 KB 0644
wake_q.h File 1.79 KB 0644
xacct.h File 854 B 0644