[PATCH] Improved allocation failure warning

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Hi Alan,

The following change to the allocation failure warning in __alloc_pages has worked
well for tracking down the cause of these failures. It prints the gfp flags and
the state of the task, PF_MEMALLOC or not.

--- 2.4.9.clean/mm/page_alloc.c Thu Aug 16 12:43:02 2001
+++ 2.4.9/mm/page_alloc.c Mon Aug 20 22:05:40 2001
@@ -502,7 +502,8 @@
         }
 
         /* No luck.. */
- printk(KERN_ERR "__alloc_pages: %lu-order allocation failed.\n", order);
+ printk(KERN_ERR "__alloc_pages: %lu-order allocation failed (gfp=0x%x/%i).\n",
+ order, gfp_mask, !!(current->flags & PF_MEMALLOC));
         return NULL;
 }
 
-
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