Index: sys/amd64/linux/linux_sysvec.c =================================================================== --- sys/amd64/linux/linux_sysvec.c +++ sys/amd64/linux/linux_sysvec.c @@ -818,7 +818,8 @@ linux_vdso_deinstall(void *param) { - __elfN(linux_shared_page_fini)(linux_shared_page_obj); + __elfN(linux_shared_page_fini)(linux_shared_page_obj, + linux_shared_page_mapping); } SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, linux_vdso_deinstall, NULL); Index: sys/amd64/linux32/linux32_sysvec.c =================================================================== --- sys/amd64/linux32/linux32_sysvec.c +++ sys/amd64/linux32/linux32_sysvec.c @@ -961,7 +961,8 @@ linux_vdso_deinstall(void *param) { - __elfN(linux_shared_page_fini)(linux_shared_page_obj); + __elfN(linux_shared_page_fini)(linux_shared_page_obj, + linux_shared_page_mapping); } SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, linux_vdso_deinstall, NULL); Index: sys/arm64/linux/linux_sysvec.c =================================================================== --- sys/arm64/linux/linux_sysvec.c +++ sys/arm64/linux/linux_sysvec.c @@ -461,7 +461,8 @@ { LIN_SDT_PROBE0(sysvec, linux_vdso_deinstall, todo); - __elfN(linux_shared_page_fini)(linux_shared_page_obj); + __elfN(linux_shared_page_fini)(linux_shared_page_obj, + linux_shared_page_mapping); } SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, linux_vdso_deinstall, NULL); Index: sys/compat/linux/linux_vdso.h =================================================================== --- sys/compat/linux/linux_vdso.h +++ sys/compat/linux/linux_vdso.h @@ -39,7 +39,7 @@ }; vm_object_t __elfN(linux_shared_page_init)(char **); -void __elfN(linux_shared_page_fini)(vm_object_t); +void __elfN(linux_shared_page_fini)(vm_object_t, void *); void __elfN(linux_vdso_fixup)(struct sysentvec *); void __elfN(linux_vdso_reloc)(struct sysentvec *); void __elfN(linux_vdso_sym_init)(struct linux_vdso_sym *); Index: sys/compat/linux/linux_vdso.c =================================================================== --- sys/compat/linux/linux_vdso.c +++ sys/compat/linux/linux_vdso.c @@ -93,9 +93,13 @@ } void -__elfN(linux_shared_page_fini)(vm_object_t obj) +__elfN(linux_shared_page_fini)(vm_object_t obj, void *mapping) { + vm_offset_t va; + va = (vm_offset_t)mapping; + pmap_qremove(va, 1); + kva_free(va, PAGE_SIZE); vm_object_deallocate(obj); }