Author: kib
Date: Sun Jan 6 00:37:14 2019
New Revision: 342796
URL: https://svnweb.freebsd.org/changeset/base/342796
Log:
MFC r342630:
Add 'v' modifier to the ddb 'show pginfo' command to display vm_page
backing the provided kernel virtual address.
Modified:
stable/12/sys/vm/vm_page.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/vm/vm_page.c
==============================================================================
--- stable/12/sys/vm/vm_page.c Sun Jan 6 00:34:43 2019 (r342795)
+++ stable/12/sys/vm/vm_page.c Sun Jan 6 00:37:14 2019 (r342796)
@@ -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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