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
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=342630
@ -4493,7 +4493,7 @@ DB_SHOW_COMMAND(pageq, vm_page_print_pageq_info)
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DB_SHOW_COMMAND(pginfo, vm_page_print_pginfo)
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{
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vm_page_t m;
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boolean_t phys;
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boolean_t phys, virt;
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if (!have_addr) {
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db_printf("show pginfo addr\n");
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@ -4501,7 +4501,10 @@ DB_SHOW_COMMAND(pginfo, vm_page_print_pginfo)
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}
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phys = strchr(modif, 'p') != NULL;
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if (phys)
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virt = strchr(modif, 'v') != NULL;
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if (virt)
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m = PHYS_TO_VM_PAGE(pmap_kextract(addr));
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else if (phys)
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m = PHYS_TO_VM_PAGE(addr);
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else
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m = (vm_page_t)addr;
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