linux-kernel - Re: [PATCH] slob: handle SLAB

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Date:	Tue, 10 Apr 2007 01:25:09 +0900
From:	"Akinobu Mita" <akinobu.mita@...il.com>
To:	"Matt Mackall" <mpm@...enic.com>
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH] slob: handle SLAB_PANIC flag

2007/4/9, Matt Mackall <mpm@...enic.com>:

> > Index: 2.6-mm/mm/slob.c
> > ===================================================================
> > --- 2.6-mm.orig/mm/slob.c
> > +++ 2.6-mm/mm/slob.c
> > @@ -298,6 +298,9 @@ struct kmem_cache *kmem_cache_create(con
> >               c->align = (flags & SLAB_MUST_HWCACHE_ALIGN) ? SLOB_ALIGN : 0;
> >               if (c->align < align)
> >                       c->align = align;
> > +     } else {
> > +             if (flags & SLAB_PANIC)
> > +                     panic("Cannot create slab cache %s\n", name);
> >       }
>
> I think this would be more canonical:
>
> } else if (..)
>    panic();

Thanks, the patch updated.

From: Akinobu Mita <akinobu.mita@...il.com>
Subject: [PATCH] slob: handle SLAB_PANIC flag

kmem_cache_create() for slob doesn't handle SLAB_PANIC.

Signed-off-by: Matt Mackall <mpm@...enic.com>
Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>

---
 mm/slob.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: 2.6-mm/mm/slob.c
===================================================================
--- 2.6-mm.orig/mm/slob.c
+++ 2.6-mm/mm/slob.c
@@ -298,7 +298,8 @@ struct kmem_cache *kmem_cache_create(con
 		c->align = (flags & SLAB_MUST_HWCACHE_ALIGN) ? SLOB_ALIGN : 0;
 		if (c->align < align)
 			c->align = align;
-	}
+	} else if (flags & SLAB_PANIC)
+		panic("Cannot create slab cache %s\n", name);

 	return c;
 }
-
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