cvs commit: src/sys/amd64/include vmparam.h src/sys/arm/include vmparam.h src/sys/i386/include vmparam.h src/sys/ia64/include vmparam.h src/sys/kern kern_exec.c vfs_bio.c src/sys/powerpc/include vmparam.h src/sys/sparc64/include ...

[Alan Cox]

Rink Springer wrote:
> Hi Alan,
>
> On Tue, Sep 25, 2007 at 06:25:07AM +0000, Alan Cox wrote:
>   
>>   Change the management of cached pages (PQ_CACHE) in two fundamental
>>   ways:
>>     
>
> With this change, KDE no longer starts up; the process 'kbuildsycoca'
> seems to wait forever in status 'madvpo'. Reverting this changeset fixes
> the problem.
>
>   

This is a problem with madvise(WILLNEED).  I believe that the attached 
patch will fix it.

Thanks,
Alan



-------------- next part --------------
Index: vm/vm_object.c
===================================================================
RCS file: /home/ncvs/src/sys/vm/vm_object.c,v
retrieving revision 1.383
diff -p -u -r1.383 vm_object.c
--- vm/vm_object.c	25 Sep 2007 06:25:06 -0000	1.383
+++ vm/vm_object.c	25 Sep 2007 16:17:40 -0000
@@ -1105,7 +1105,8 @@ shadowlookup:
 			/*
 			 * If the page is cached, reactivate it.
 			 */
-			m = vm_page_alloc(tobject, tpindex, VM_ALLOC_IFCACHED);
+			m = vm_page_alloc(tobject, tpindex, VM_ALLOC_IFCACHED |
+			    VM_ALLOC_NOBUSY);
 		}
 		if (m == NULL) {
 			/*