[PATCH] Add amount of cached memory to sysreq-m output

[Martin Knoblauch]

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Hi,

 this small patch against fs/buffer.c adds the Cached memory to the
output of sysreq-m requests. Applies against 2.4.18-pre8.

--- buffer.c.orig       Wed Feb  6 13:46:19 2002
+++ buffer.c    Wed Feb  6 13:48:55 2002
@@ -2724,6 +2724,9 @@
        printk("Buffer memory:   %6dkB\n",
                        atomic_read(&buffermem_pages) <<
(PAGE_SHIFT-10));

+       printk("Cache memory:   %6dkB\n",
+                      
(atomic_read(&page_cache_size)-atomic_read(&buffermem_pages)) <<
(PAGE_SHIFT-10));
+
 #ifdef CONFIG_SMP /* trylock does nothing on UP and so we could
deadlock */
        if (!spin_trylock(&lru_list_lock))
                return;

Martin
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--- buffer.c.orig	Wed Feb  6 13:46:19 2002
+++ buffer.c	Wed Feb  6 13:48:55 2002
@@ -2724,6 +2724,9 @@
 	printk("Buffer memory:   %6dkB\n",
 			atomic_read(&buffermem_pages) << (PAGE_SHIFT-10));
 
+	printk("Cache memory:   %6dkB\n",
+			(atomic_read(&page_cache_size)- atomic_read(&buffermem_pages)) << (PAGE_SHIFT-10));
+
 #ifdef CONFIG_SMP /* trylock does nothing on UP and so we could deadlock */
 	if (!spin_trylock(&lru_list_lock))
 		return;

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