no swapper_space

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Hi Dave,

"kmem -i" aborts before it completes when swapping isn't enabled. This is a suggestion for fixing it.

Regards,
Per


diff --git a/memory.c b/memory.c
index 287285f..cb02c57 100755
--- a/memory.c
+++ b/memory.c
@@ -6717,7 +6717,7 @@ dump_kmeminfo(void)
 	} else if (dump_vm_stat("NR_FILE_PAGES", &nr_file_pages, 0)) {
 		char *swapper_space = GETBUF(SIZE(address_space));
 		
-                if (!readmem(symbol_value("swapper_space"), KVADDR, swapper_space,
+                if (!symbol_exists("swapper_space") || !readmem(symbol_value("swapper_space"), KVADDR, swapper_space,
                     SIZE(address_space), "swapper_space", RETURN_ON_ERROR))
 			swapper_space_nrpages = 0;
 		else
@@ -6796,7 +6796,8 @@ dump_kmeminfo(void)
          *  get swap data from dump_swap_info().
          */
 	fprintf(fp, "\n");
-        if (dump_swap_info(RETURN_ON_ERROR, &totalswap_pages, 
+	if (symbol_exists("swapper_space")) {
+	  if (dump_swap_info(RETURN_ON_ERROR, &totalswap_pages, 
 	    &totalused_pages)) {
 	        fprintf(fp, "%10s  %7ld  %11s         ----\n", 
 			"TOTAL SWAP", totalswap_pages, 
@@ -6816,7 +6817,7 @@ dump_kmeminfo(void)
 	} else
 		error(INFO, "swap_info[%ld].swap_map at %lx is inaccessible\n",
 			totalused_pages, totalswap_pages);
-
+	}
 	dump_zone_page_usage();
 }
 

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