#include <security/mac_framework.h>
#endif
+#if CONFIG_CSR
+#include <sys/csr.h>
+#endif /* CONFIG_CSR */
+
int _shared_region_map_and_slide(struct proc*, int, unsigned int, struct shared_file_mapping_np*, uint32_t, user_addr_t, user_addr_t);
int shared_region_copyin_mappings(struct proc*, user_addr_t, unsigned int, struct shared_file_mapping_np *);
SYSCTL_INT(_vm, OID_AUTO, allow_stack_exec, CTLFLAG_RW | CTLFLAG_LOCKED, &allow_stack_exec, 0, "");
SYSCTL_INT(_vm, OID_AUTO, allow_data_exec, CTLFLAG_RW | CTLFLAG_LOCKED, &allow_data_exec, 0, "");
-#if __arm64__
-extern int fourk_binary_compatibility_unsafe;
-extern int fourk_binary_compatibility_allow_wx;
-SYSCTL_INT(_vm, OID_AUTO, fourk_binary_compatibility_unsafe, CTLFLAG_RW | CTLFLAG_LOCKED, &fourk_binary_compatibility_unsafe, 0, "");
-SYSCTL_INT(_vm, OID_AUTO, fourk_binary_compatibility_allow_wx, CTLFLAG_RW | CTLFLAG_LOCKED, &fourk_binary_compatibility_allow_wx, 0, "");
-#endif /* __arm64__ */
#endif /* DEVELOPMENT || DEBUG */
static const char *prot_values[] = {
#endif
#ifndef SECURE_KERNEL
-SYSCTL_INT(_vm, OID_AUTO, enforce_shared_cache_dir, CTLFLAG_RW | CTLFLAG_LOCKED, &scdir_enforce, 0, "");
+static int sysctl_scdir_enforce SYSCTL_HANDLER_ARGS
+{
+#if CONFIG_CSR
+ if (csr_check(CSR_ALLOW_UNRESTRICTED_FS) != 0) {
+ printf("Failed attempt to set vm.enforce_shared_cache_dir sysctl\n");
+ return EPERM;
+ }
+#endif /* CONFIG_CSR */
+ return sysctl_handle_int(oidp, arg1, arg2, req);
+}
+
+SYSCTL_PROC(_vm, OID_AUTO, enforce_shared_cache_dir, CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, &scdir_enforce, 0, sysctl_scdir_enforce, "I", "");
#endif
/* These log rate throttling state variables aren't thread safe, but
}
/* check that the mappings are properly covered by code signatures */
- if (!cs_enforcement(NULL)) {
+ if (!cs_system_enforcement()) {
/* code signing is not enforced: no need to check */
} else for (i = 0; i < mappings_count; i++) {
if (mappings[i].sfm_init_prot & VM_PROT_ZF) {
}
/* get the process's shared region (setup in vm_map_exec()) */
- shared_region = vm_shared_region_get(current_task());
+ shared_region = vm_shared_region_trim_and_get(current_task());
if (shared_region == NULL) {
SHARED_REGION_TRACE_ERROR(
("shared_region: %p [%d(%s)] map(%p:'%s'): "
(void *)VM_KERNEL_ADDRPERM(current_thread()),
p->p_pid, p->p_comm,
(void *)VM_KERNEL_ADDRPERM(vp), vp->v_name));
+ error = EINVAL;
goto done;
}
SYSCTL_INT(_vm, OID_AUTO, vm_page_free_target, CTLFLAG_RD | CTLFLAG_LOCKED,
&vm_page_free_target, 0, "Pageout daemon free target");
-extern unsigned int vm_memory_pressure;
SYSCTL_INT(_vm, OID_AUTO, memory_pressure, CTLFLAG_RD | CTLFLAG_LOCKED,
- &vm_memory_pressure, 0, "Memory pressure indicator");
+ &vm_pageout_state.vm_memory_pressure, 0, "Memory pressure indicator");
static int
vm_ctl_page_free_wanted SYSCTL_HANDLER_ARGS
SYSCTL_INT(_vm, OID_AUTO, page_purgeable_wired_count, CTLFLAG_RD | CTLFLAG_LOCKED,
&vm_page_purgeable_wired_count, 0, "Wired purgeable page count");
-extern unsigned int vm_pageout_purged_objects;
+#if DEVELOPMENT || DEBUG
+extern uint64_t get_pages_grabbed_count(void);
+
+static int
+pages_grabbed SYSCTL_HANDLER_ARGS
+{
+#pragma unused(arg1, arg2, oidp)
+ uint64_t value = get_pages_grabbed_count();
+ return SYSCTL_OUT(req, &value, sizeof(value));
+}
+
+SYSCTL_PROC(_vm, OID_AUTO, pages_grabbed, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, &pages_grabbed, "QU", "Total pages grabbed");
+SYSCTL_ULONG(_vm, OID_AUTO, pages_freed, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_vminfo.vm_page_pages_freed, "Total pages freed");
+
SYSCTL_INT(_vm, OID_AUTO, pageout_purged_objects, CTLFLAG_RD | CTLFLAG_LOCKED,
- &vm_pageout_purged_objects, 0, "System purged object count");
+ &vm_pageout_debug.vm_pageout_purged_objects, 0, "System purged object count");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_busy, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_cleaned_busy, 0, "Cleaned pages busy (deactivated)");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_nolock, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_cleaned_nolock, 0, "Cleaned pages no-lock (deactivated)");
+
+SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_volatile_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_cleaned_volatile_reactivated, 0, "Cleaned pages volatile reactivated");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_fault_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_cleaned_fault_reactivated, 0, "Cleaned pages fault reactivated");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_cleaned_reactivated, 0, "Cleaned pages reactivated"); /* sum of all reactivated AND busy and nolock (even though those actually get reDEactivated */
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_cleaned, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_vminfo.vm_pageout_freed_cleaned, "Cleaned pages freed");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_reference_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_cleaned_reference_reactivated, 0, "Cleaned pages reference reactivated");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_enqueued_cleaned, CTLFLAG_RD | CTLFLAG_LOCKED,
+ &vm_pageout_debug.vm_pageout_enqueued_cleaned, 0, ""); /* sum of next two */
+#endif
extern int madvise_free_debug;
SYSCTL_INT(_vm, OID_AUTO, madvise_free_debug, CTLFLAG_RW | CTLFLAG_LOCKED,
SYSCTL_UINT(_vm, OID_AUTO, page_pageable_external_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_pageable_external_count, 0, "");
/* pageout counts */
-extern unsigned int vm_pageout_inactive_dirty_internal, vm_pageout_inactive_dirty_external, vm_pageout_inactive_clean, vm_pageout_speculative_clean, vm_pageout_inactive_used;
-extern unsigned int vm_pageout_freed_from_inactive_clean, vm_pageout_freed_from_speculative;
-SYSCTL_UINT(_vm, OID_AUTO, pageout_inactive_dirty_internal, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_inactive_dirty_internal, 0, "");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_inactive_dirty_external, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_inactive_dirty_external, 0, "");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_inactive_clean, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_inactive_clean, 0, "");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_speculative_clean, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_speculative_clean, 0, "");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_inactive_used, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_inactive_used, 0, "");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_freed_from_inactive_clean, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_freed_from_inactive_clean, 0, "");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_freed_from_speculative, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_freed_from_speculative, 0, "");
-
-extern unsigned int vm_pageout_freed_from_cleaned;
-SYSCTL_UINT(_vm, OID_AUTO, pageout_freed_from_cleaned, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_freed_from_cleaned, 0, "");
-
-/* counts of pages entering the cleaned queue */
-extern unsigned int vm_pageout_enqueued_cleaned, vm_pageout_enqueued_cleaned_from_inactive_dirty;
-SYSCTL_UINT(_vm, OID_AUTO, pageout_enqueued_cleaned, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_enqueued_cleaned, 0, ""); /* sum of next two */
-SYSCTL_UINT(_vm, OID_AUTO, pageout_enqueued_cleaned_from_inactive_dirty, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_enqueued_cleaned_from_inactive_dirty, 0, "");
-
-/* counts of pages leaving the cleaned queue */
-extern unsigned int vm_pageout_cleaned_reclaimed, vm_pageout_cleaned_reactivated, vm_pageout_cleaned_reference_reactivated, vm_pageout_cleaned_volatile_reactivated, vm_pageout_cleaned_fault_reactivated, vm_pageout_cleaned_commit_reactivated, vm_pageout_cleaned_busy, vm_pageout_cleaned_nolock;
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_reclaimed, 0, "Cleaned pages reclaimed");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_reactivated, 0, "Cleaned pages reactivated"); /* sum of all reactivated AND busy and nolock (even though those actually get reDEactivated */
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_reference_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_reference_reactivated, 0, "Cleaned pages reference reactivated");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_volatile_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_volatile_reactivated, 0, "Cleaned pages volatile reactivated");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_fault_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_fault_reactivated, 0, "Cleaned pages fault reactivated");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_commit_reactivated, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_commit_reactivated, 0, "Cleaned pages commit reactivated");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_busy, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_busy, 0, "Cleaned pages busy (deactivated)");
-SYSCTL_UINT(_vm, OID_AUTO, pageout_cleaned_nolock, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_cleaned_nolock, 0, "Cleaned pages no-lock (deactivated)");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_inactive_clean, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_state.vm_pageout_inactive_clean, 0, "");
+SYSCTL_UINT(_vm, OID_AUTO, pageout_inactive_used, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_state.vm_pageout_inactive_used, 0, "");
+
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_inactive_dirty_internal, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_vminfo.vm_pageout_inactive_dirty_internal, "");
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_inactive_dirty_external, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_vminfo.vm_pageout_inactive_dirty_external, "");
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_speculative_clean, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_vminfo.vm_pageout_freed_speculative, "");
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_freed_external, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_vminfo.vm_pageout_freed_external, "");
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_freed_speculative, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_vminfo.vm_pageout_freed_speculative, "");
+SYSCTL_ULONG(_vm, OID_AUTO, pageout_freed_cleaned, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_vminfo.vm_pageout_freed_cleaned, "");
+
/* counts of pages prefaulted when entering a memory object */
extern int64_t vm_prefault_nb_pages, vm_prefault_nb_bailout;
SYSCTL_UINT(_vm, OID_AUTO, page_secluded_grab_for_iokit, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_secluded.grab_for_iokit, 0, "");
SYSCTL_UINT(_vm, OID_AUTO, page_secluded_grab_for_iokit_success, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_secluded.grab_for_iokit_success, 0, "");
-extern uint64_t vm_pageout_secluded_burst_count;
-SYSCTL_QUAD(_vm, OID_AUTO, pageout_secluded_burst_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_secluded_burst_count, "");
-
#endif /* CONFIG_SECLUDED_MEMORY */
#include <kern/thread.h>
extern uint32_t vm_page_pages;
SYSCTL_UINT(_vm, OID_AUTO, pages, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_pages, 0, "");
+extern uint32_t vm_page_busy_absent_skipped;
+SYSCTL_UINT(_vm, OID_AUTO, page_busy_absent_skipped, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_busy_absent_skipped, 0, "");
+
#if (__arm__ || __arm64__) && (DEVELOPMENT || DEBUG)
+extern int vm_footprint_suspend_allowed;
+SYSCTL_INT(_vm, OID_AUTO, footprint_suspend_allowed, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_footprint_suspend_allowed, 0, "");
+
extern void pmap_footprint_suspend(vm_map_t map, boolean_t suspend);
static int
sysctl_vm_footprint_suspend SYSCTL_HANDLER_ARGS
if (error) {
return error;
}
+ if (!vm_footprint_suspend_allowed) {
+ if (new_value != 0) {
+ /* suspends are not allowed... */
+ return 0;
+ }
+ /* ... but let resumes proceed */
+ }
+ DTRACE_VM2(footprint_suspend,
+ vm_map_t, current_map(),
+ int, new_value);
+
pmap_footprint_suspend(current_map(), new_value);
+
return 0;
}
SYSCTL_PROC(_vm, OID_AUTO, footprint_suspend,
CTLTYPE_INT|CTLFLAG_WR|CTLFLAG_ANYBODY|CTLFLAG_LOCKED|CTLFLAG_MASKED,
0, 0, &sysctl_vm_footprint_suspend, "I", "");
#endif /* (__arm__ || __arm64__) && (DEVELOPMENT || DEBUG) */
+
+extern uint64_t vm_map_corpse_footprint_count;
+extern uint64_t vm_map_corpse_footprint_size_avg;
+extern uint64_t vm_map_corpse_footprint_size_max;
+extern uint64_t vm_map_corpse_footprint_full;
+extern uint64_t vm_map_corpse_footprint_no_buf;
+SYSCTL_QUAD(_vm, OID_AUTO, corpse_footprint_count,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_corpse_footprint_count, "");
+SYSCTL_QUAD(_vm, OID_AUTO, corpse_footprint_size_avg,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_corpse_footprint_size_avg, "");
+SYSCTL_QUAD(_vm, OID_AUTO, corpse_footprint_size_max,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_corpse_footprint_size_max, "");
+SYSCTL_QUAD(_vm, OID_AUTO, corpse_footprint_full,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_corpse_footprint_full, "");
+SYSCTL_QUAD(_vm, OID_AUTO, corpse_footprint_no_buf,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_corpse_footprint_no_buf, "");
+
+#if PMAP_CS
+extern uint64_t vm_cs_defer_to_pmap_cs;
+extern uint64_t vm_cs_defer_to_pmap_cs_not;
+SYSCTL_QUAD(_vm, OID_AUTO, cs_defer_to_pmap_cs,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_cs_defer_to_pmap_cs, "");
+SYSCTL_QUAD(_vm, OID_AUTO, cs_defer_to_pmap_cs_not,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &vm_cs_defer_to_pmap_cs_not, "");
+#endif /* PMAP_CS */
+
+extern uint64_t shared_region_pager_copied;
+extern uint64_t shared_region_pager_slid;
+extern uint64_t shared_region_pager_slid_error;
+extern uint64_t shared_region_pager_reclaimed;
+SYSCTL_QUAD(_vm, OID_AUTO, shared_region_pager_copied,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &shared_region_pager_copied, "");
+SYSCTL_QUAD(_vm, OID_AUTO, shared_region_pager_slid,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &shared_region_pager_slid, "");
+SYSCTL_QUAD(_vm, OID_AUTO, shared_region_pager_slid_error,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &shared_region_pager_slid_error, "");
+SYSCTL_QUAD(_vm, OID_AUTO, shared_region_pager_reclaimed,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &shared_region_pager_reclaimed, "");
+
+#if MACH_ASSERT
+extern int pmap_ledgers_panic_leeway;
+SYSCTL_INT(_vm, OID_AUTO, pmap_ledgers_panic_leeway, CTLFLAG_RW | CTLFLAG_LOCKED, &pmap_ledgers_panic_leeway, 0, "");
+#endif /* MACH_ASSERT */
projects / apple / xnu.git / blobdiff