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;
_______________________________________________
[email protected] mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "[email protected]"
