Re: 2.6.15-rc5-rt4 and CONFIG_SLAB=y : structure has no member named `nodeid'

[Serge Noiraud]

jeudi 5 Janvier 2006 11:12, Serge Noiraud wrote/a écrit :
> mercredi 21 Décembre 2005 10:45, Serge Noiraud wrote/a écrit :
> > Hi,
> > 
> > 	testing on i386, I get the following error :
> > ...
> >   CC      mm/slab.o
> > mm/slab.c: In function `cache_alloc_refill':
> > mm/slab.c:2093: error: structure has no member named `nodeid'
> > mm/slab.c: In function `free_block':
> > mm/slab.c:2239: error: structure has no member named `nodeid'
> > mm/slab.c:2239: error: `node' undeclared (first use in this function)
> > mm/slab.c:2239: error: (Each undeclared identifier is reported only once
> > mm/slab.c:2239: error: for each function it appears in.)
> > make[4]: *** [mm/slab.o] Erreur 1
> > ...
> > 
> > You removed nodeid in the slab struct, but many functions use it.
> > 
> I get the same problem with 2.6.15-rt1
> The following patch suppress the error : I'm not sure it's the good correction.
> perhaps we should supress this DEBUG test ?
> 
> --- linux.orig/mm/slab.c
> +++ linux/mm/slab.c
> @@ -2090,7 +2090,6 @@
>             next = slab_bufctl(slabp)[slabp->free];
>  #if DEBUG
>             slab_bufctl(slabp)[slabp->free] = BUFCTL_FREE;
> -           WARN_ON(numa_node_id() != slabp->nodeid);
>  #endif
>                 slabp->free = next;
>         }
>         check_slabp(cachep, slabp);

I forgot the second problem.

@@ -2236,7 +2235,6 @@
        check_slabp(cachep, slabp);
 #if DEBUG
        /* Verify that the slab belongs to the intended node */
-       WARN_ON(slabp->nodeid != node);

        if (slab_bufctl(slabp)[objnr] != BUFCTL_FREE) {
            printk(KERN_ERR "slab: double free detected in cache '%s', objp %p.\n",

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