[Crash-utility] Re: Crash shows - Invalid Memory size

Dave Anderson wrote: This patch should do it... Dave --- crash-4.0-3.12/defs.h.orig 2006-11-21 10:01:36.000000000 -0500 +++ crash-4.0-3.12/defs.h 2006-11-21 10:01:49.000000000 -0500 @@ -1541,6 +1541,7 @@ ulong pgdat; ulong mem_map; ulong size; + ulong present; ulonglong start_paddr; ulong start_mapnr; }; --- crash-4.0-3.12/memory.c.orig 2006-11-21 10:02:20.000000000 -0500 +++ crash-4.0-3.12/memory.c 2006-11-21 10:02:45.000000000 -0500 @@ -10150,6 +10150,7 @@ fprintf(fp, " id: %d\n", nt->node_id); fprintf(fp, " pgdat: %lx\n", nt->pgdat); fprintf(fp, " size: %ld\n", nt->size); + fprintf(fp, " present: %ld\n", nt->present); fprintf(fp, " mem_map: %lx\n", nt->mem_map); fprintf(fp, " start_paddr: %llx\n", nt->start_paddr); fprintf(fp, " start_mapnr: %ld\n", nt->start_mapnr); @@ -10223,12 +10224,16 @@ console(" id: %d\n", nt->node_id); console(" pgdat: %lx\n", nt->pgdat); console(" size: %ld\n", nt->size); + console(" present: %ld\n", nt->present); console(" mem_map: %lx\n", nt->mem_map); console(" start_paddr: %lx\n", nt->start_paddr); console(" start_mapnr: %ld\n", nt->start_mapnr); } - total += (uint64_t)((uint64_t)nt->size * (uint64_t)PAGESIZE()); + if (nt->present) + total += (uint64_t)((uint64_t)nt->present * (uint64_t)PAGESIZE()); + else + total += (uint64_t)((uint64_t)nt->size * (uint64_t)PAGESIZE()); } return total; @@ -11122,7 +11127,7 @@ ulong node_start_paddr; ulong node_start_pfn; ulong node_start_mapnr; - ulong node_spanned_pages; + ulong node_spanned_pages, node_present_pages; ulong free_pages, zone_size, node_size, cum_zone_size; ulong zone_start_paddr, zone_start_mapnr, zone_mem_map; physaddr_t phys; @@ -11155,6 +11160,7 @@ fprintf(fp, " id: %d\n", nt->node_id); fprintf(fp, " pgdat: %lx\n", nt->pgdat); fprintf(fp, " size: %ld\n", nt->size); + fprintf(fp, " present: %ld\n", nt->present); fprintf(fp, " mem_map: %lx\n", nt->mem_map); fprintf(fp, " start_paddr: %llx\n", nt->start_paddr); fprintf(fp, " start_mapnr: %ld\n", nt->start_mapnr); @@ -11238,6 +11244,13 @@ node_size = node_spanned_pages; } else error(INFO, "cannot determine zone size\n"); + if (VALID_MEMBER(pglist_data_node_present_pages)) + readmem(pgdat+OFFSET(pglist_data_node_present_pages), + KVADDR, &node_present_pages, sizeof(ulong), + "pglist node_present_pages", FAULT_ON_ERROR); + else + node_present_pages = 0; + readmem(pgdat+OFFSET(pglist_data_bdata), KVADDR, &bdata, sizeof(ulong), "pglist bdata", FAULT_ON_ERROR); @@ -11248,6 +11261,7 @@ nt->size = 0; /* initialize below */ else nt->size = node_size; + nt->present = node_present_pages; nt->mem_map = node_mem_map; nt->start_paddr = node_start_paddr; nt->start_mapnr = node_start_mapnr; @@ -11257,6 +11271,7 @@ fprintf(fp, " id: %d\n", nt->node_id); fprintf(fp, " pgdat: %lx\n", nt->pgdat); fprintf(fp, " size: %ld\n", nt->size); + fprintf(fp, " present: %ld\n", nt->present); fprintf(fp, " mem_map: %lx\n", nt->mem_map); fprintf(fp, " start_paddr: %llx\n", nt->start_paddr); fprintf(fp, " start_mapnr: %ld\n", nt->start_mapnr);