Date: Sun, 30 Dec 2018 15:58:18 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342630 - head/sys/vm Message-ID: <201812301558.wBUFwIHS054441@repo.freebsd.org>
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Author: kib Date: Sun Dec 30 15:58:18 2018 New Revision: 342630 URL: https://svnweb.freebsd.org/changeset/base/342630 Log: Add 'v' modifier to the ddb 'show pginfo' command to display vm_page backing the provided kernel virtual address. Tested by: pho MFC after: 1 week Sponsored by: The FreeBSD Foundation Modified: head/sys/vm/vm_page.c Modified: head/sys/vm/vm_page.c ============================================================================== --- head/sys/vm/vm_page.c Sun Dec 30 15:55:30 2018 (r342629) +++ head/sys/vm/vm_page.c Sun Dec 30 15:58:18 2018 (r342630) @@ -4493,7 +4493,7 @@ DB_SHOW_COMMAND(pageq, vm_page_print_pageq_info) DB_SHOW_COMMAND(pginfo, vm_page_print_pginfo) { vm_page_t m; - boolean_t phys; + boolean_t phys, virt; if (!have_addr) { db_printf("show pginfo addr\n"); @@ -4501,7 +4501,10 @@ DB_SHOW_COMMAND(pginfo, vm_page_print_pginfo) } phys = strchr(modif, 'p') != NULL; - if (phys) + virt = strchr(modif, 'v') != NULL; + if (virt) + m = PHYS_TO_VM_PAGE(pmap_kextract(addr)); + else if (phys) m = PHYS_TO_VM_PAGE(addr); else m = (vm_page_t)addr;
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