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| author | Konstantin Belousov <kib@FreeBSD.org> | 2018-12-30 15:58:18 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2018-12-30 15:58:18 +0000 |
| commit | 7af49852457d4eaf820d8f17b305ea445248c68a (patch) | |
| tree | f59557593c729139f94972a89e912a4c865aabfb /sys/vm | |
| parent | fb1ec6a981cc99f10bf142f0d3b7c159d12e620a (diff) | |
| download | src-7af49852457d4eaf820d8f17b305ea445248c68a.tar.gz src-7af49852457d4eaf820d8f17b305ea445248c68a.zip | |
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
Notes
Notes:
svn path=/head/; revision=342630
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_page.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index f5115a578c71..94e65c90c8f9 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -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; |