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Differential D32360 Diff 96932 sys/vm/vm_kern.c

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sys/vm/vm_kern.c

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#include <sys/asan.h> #include <sys/asan.h>
#include <sys/domainset.h> #include <sys/domainset.h>
#include <sys/eventhandler.h> #include <sys/eventhandler.h>
#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/lock.h> #include <sys/lock.h>
#include <sys/malloc.h> #include <sys/malloc.h>
#include <sys/proc.h> #include <sys/proc.h>
#include <sys/rwlock.h> #include <sys/rwlock.h>
#include <sys/smp.h>
#include <sys/sysctl.h> #include <sys/sysctl.h>
#include <sys/vmem.h> #include <sys/vmem.h>
#include <sys/vmmeter.h> #include <sys/vmmeter.h>
#include <vm/vm.h> #include <vm/vm.h>
#include <vm/vm_param.h> #include <vm/vm_param.h>
#include <vm/vm_domainset.h> #include <vm/vm_domainset.h>
#include <vm/vm_kern.h> #include <vm/vm_kern.h>
▲ Show 20 Lines • Show All 792 Lines • ▼ Show 20 Lines for (va = start; va < end; va += PAGE_SIZE) {
vm_domain_freecnt_inc(vmd, 1); vm_domain_freecnt_inc(vmd, 1);
vm_cnt.v_page_count++; vm_cnt.v_page_count++;
} }
pmap_remove(kernel_pmap, start, end); pmap_remove(kernel_pmap, start, end);
(void)vmem_add(kernel_arena, start, end - start, M_WAITOK); (void)vmem_add(kernel_arena, start, end - start, M_WAITOK);
#endif #endif
} }
#ifdef PMAP_WANT_ACTIVE_CPUS_NAIVE
void
pmap_active_cpus(pmap_t pmap, cpuset_t *res)
theravenUnsubmitted
Done
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I don't see any references to this function in the diff, what calls it?

theraven: I don't see any references to this function in the diff, what calls it?
kibAuthorUnsubmitted
Done
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It is actually pmap_active_cpus(), I did some rototiling for arm64 and did not rechecked afterward.

kib: It is actually pmap_active_cpus(), I did some rototiling for arm64 and did not rechecked…
{
struct thread *td;
struct proc *p;
struct vmspace *vm;
int c;
CPU_ZERO(res);
CPU_FOREACH(c) {
td = cpuid_to_pcpu[c]->pc_curthread;
p = td->td_proc;
if (p == NULL)
continue;
vm = vmspace_acquire_ref(p);
if (vm == NULL)
continue;
if (pmap == vmspace_pmap(vm))
CPU_SET(c, res);
vmspace_free(vm);
}
}
#endif
/* /*
* Allow userspace to directly trigger the VM drain routine for testing * Allow userspace to directly trigger the VM drain routine for testing
* purposes. * purposes.
*/ */
static int static int
debug_vm_lowmem(SYSCTL_HANDLER_ARGS) debug_vm_lowmem(SYSCTL_HANDLER_ARGS)
{ {
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