patch-2.1.132 linux/fs/proc/array.c

• Lines: 56
• Date: Sun Dec 20 05:52:02 1998
• Orig file: v2.1.131/linux/fs/proc/array.c
• Orig date: Fri Nov 27 13:09:28 1998

diff -u --recursive --new-file v2.1.131/linux/fs/proc/array.c linux/fs/proc/array.c
@@ -60,6 +60,7 @@
 #include <linux/mm.h>
 #include <linux/pagemap.h>
 #include <linux/swap.h>
+#include <linux/swapctl.h>
 #include <linux/slab.h>
 #include <linux/smp.h>
 #include <linux/signal.h>
@@ -371,6 +372,28 @@
 		i.freeswap >> 10);
 }
 
+static int get_swapstats(char * buffer)
+{
+	unsigned long *w = swapstats.kswap_wakeups;
+	
+	return sprintf(buffer,
+		       "ProcFreeTry:    %8lu\n"
+		       "ProcFreeSucc:   %8lu\n"
+		       "ProcShrinkTry:  %8lu\n"
+		       "ProcShrinkSucc: %8lu\n"
+		       "KswapFreeTry:   %8lu\n"
+		       "KswapFreeSucc:  %8lu\n"
+		       "KswapWakeups:	%8lu %lu %lu %lu\n",
+		       swapstats.gfp_freepage_attempts,
+		       swapstats.gfp_freepage_successes,
+		       swapstats.gfp_shrink_attempts,
+		       swapstats.gfp_shrink_successes,
+		       swapstats.kswap_freepage_attempts,
+		       swapstats.kswap_freepage_successes,
+		       w[0], w[1], w[2], w[3]
+		       );
+}
+
 static int get_version(char * buffer)
 {
 	extern char *linux_banner;
@@ -1257,6 +1280,9 @@
 		case PROC_MEMINFO:
 			return get_meminfo(page);
 
+		case PROC_SWAPSTATS:
+			return get_swapstats(page);
+
 #ifdef CONFIG_PCI_OLD_PROC
   	        case PROC_PCI:
 			return get_pci_list(page);
@@ -1342,7 +1368,7 @@
 static int process_unauthorized(int type, int pid)
 {
 	struct task_struct *p;
-	uid_t euid;	/* Save the euid keep the lock short */
+	uid_t euid=0;	/* Save the euid keep the lock short */
 		
 	read_lock(&tasklist_lock);