diff options
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 21 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 21 |
2 files changed, 42 insertions, 0 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index f2d447f1bb42..7a32c98bb330 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -83,6 +83,7 @@ #include <sys/sx.h> #include <sys/user.h> #include <sys/vmmeter.h> +#include <sys/sysctl.h> #include <vm/vm.h> #include <vm/vm_param.h> @@ -1366,6 +1367,26 @@ retry: if (ptdpg && !pmap_release_free_page(pmap, ptdpg)) goto retry; } + +static int +kvm_size(SYSCTL_HANDLER_ARGS) +{ + unsigned long ksize = VM_MAX_KERNEL_ADDRESS - KERNBASE; + + return sysctl_handle_long(oidp, &ksize, 0, req); +} +SYSCTL_PROC(_vm, OID_AUTO, kvm_size, CTLTYPE_LONG|CTLFLAG_RD, + 0, 0, kvm_size, "IU", "Size of KVM"); + +static int +kvm_free(SYSCTL_HANDLER_ARGS) +{ + unsigned long kfree = VM_MAX_KERNEL_ADDRESS - kernel_vm_end; + + return sysctl_handle_long(oidp, &kfree, 0, req); +} +SYSCTL_PROC(_vm, OID_AUTO, kvm_free, CTLTYPE_LONG|CTLFLAG_RD, + 0, 0, kvm_free, "IU", "Amount of KVM free"); /* * grow the number of kernel page table entries, if needed diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index f2d447f1bb42..7a32c98bb330 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -83,6 +83,7 @@ #include <sys/sx.h> #include <sys/user.h> #include <sys/vmmeter.h> +#include <sys/sysctl.h> #include <vm/vm.h> #include <vm/vm_param.h> @@ -1366,6 +1367,26 @@ retry: if (ptdpg && !pmap_release_free_page(pmap, ptdpg)) goto retry; } + +static int +kvm_size(SYSCTL_HANDLER_ARGS) +{ + unsigned long ksize = VM_MAX_KERNEL_ADDRESS - KERNBASE; + + return sysctl_handle_long(oidp, &ksize, 0, req); +} +SYSCTL_PROC(_vm, OID_AUTO, kvm_size, CTLTYPE_LONG|CTLFLAG_RD, + 0, 0, kvm_size, "IU", "Size of KVM"); + +static int +kvm_free(SYSCTL_HANDLER_ARGS) +{ + unsigned long kfree = VM_MAX_KERNEL_ADDRESS - kernel_vm_end; + + return sysctl_handle_long(oidp, &kfree, 0, req); +} +SYSCTL_PROC(_vm, OID_AUTO, kvm_free, CTLTYPE_LONG|CTLFLAG_RD, + 0, 0, kvm_free, "IU", "Amount of KVM free"); /* * grow the number of kernel page table entries, if needed |