Re: PROBLEM: kmem_cache_create: duplicate cache fat_cache

[OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>]

Oleg <graycardinal@pisem.net> writes:

> Thank you, but "goto opps", not "goto oops" in patch.

Ahh, sorry. I attached a fixed patch.

>>Didn't you run the  modules_install after changed .config?
> No, I'm don't run modules_install. I'm build all modules first and use it (if required) for all my kernel's... And I have one init script, where :
> ...
> /sbin/modprobe vfat
> ...
> I want test to load any modules. Why not ?

If you use the different config kernel, it may use the different
structures size etc., it's obviously wrong and this miss match can be
the cause of Oops.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>



Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---

 mm/slab.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff -puN mm/slab.c~slab-dont-call-bug mm/slab.c
--- linux-2.6.12-rc4/mm/slab.c~slab-dont-call-bug	2005-05-20 22:04:21.000000000 +0900
+++ linux-2.6.12-rc4-hirofumi/mm/slab.c	2005-05-20 22:04:51.000000000 +0900
@@ -1488,8 +1488,10 @@ next:
 				printk("kmem_cache_create: duplicate cache %s\n",name); 
 				up(&cache_chain_sem); 
 				unlock_cpu_hotplug();
-				BUG(); 
-			}	
+				set_fs(old_fs);
+				cachep = NULL;
+				goto opps;
+			}
 		}
 		set_fs(old_fs);
 	}
_