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List:       linux-lvm
Subject:    Re: [linux-lvm] "__you_cannot_kmalloc_that_much" undefined
From:       Patrick Caulfield <pcaulfie () redhat ! com>
Date:       2004-07-22 7:08:27
Message-ID: 20040722070827.GB10840 () tykepenguin ! com
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On Wed, Jul 21, 2004 at 01:13:25PM -0500, Guochun Shi wrote:
> hi,
> 
> I got a warning when compiling the patched 2.6.7 kernel:
> 
> *** Warning: "__you_cannot_kmalloc_that_much" [fs/gfs_locking/lock_gulm/lock_gulm.ko] undefined!
> 
> not a big issue since I can use dlm, but still want to know how I can remove this warning. 


Yes I hit this. here's a very crude patch that will at least get you going for
testing purposes.


Index: gfs-kernel/src/gulm/load_info.c
===================================================================
RCS file: /cvs/cluster/cluster/gfs-kernel/src/gulm/load_info.c,v
retrieving revision 1.2
diff -u -r1.2 load_info.c
--- gfs-kernel/src/gulm/load_info.c     12 Jul 2004 17:07:00 -0000      1.2
+++ gfs-kernel/src/gulm/load_info.c     22 Jul 2004 07:07:34 -0000
@@ -40,7 +40,7 @@
        init_MUTEX (&lt->sender);
        init_completion (&lt->startup);
        atomic_set (&lt->locks_pending, 0);
-       lt->hashbuckets = 8191;
+       lt->hashbuckets = 100;
        lt->hshlk = kmalloc (sizeof (spinlock_t) * lt->hashbuckets, GFP_KERNEL);
        if (lt->hshlk == NULL)
                return -ENOMEM;

patrick
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