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Date: Sun, 9 Sep 2012 06:21:10 +0000 From: Christoph <cl@...ux.com> To: Hugh Dickins <hughd@...gle.com> Cc: Pekka Enberg <penberg@...nel.org>, Glauber Costa <glommer@...allels.com>, Andrew Morton <akpm@...ux-foundation.org>, "mm-commits@...r.kernel.org" <mm-commits@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>, "linux-next@...r.kernel.org" <linux-next@...r.kernel.org> Subject: Re: [PATCH mmotm] slub: zero page to fix boot crashes Yes that fix was already sent by me. On Sep 8, 2012, at 22:42, Hugh Dickins <hughd@...gle.com> wrote: > Latest mmotm rarely boots if SLUB is enabled: earlyprintk=vga shows > it crashing with various backtraces. The memset has now been removed > from kmem_cache_open(), so kmem_cache_init() needs to zero its page. > This gets SLUB booting reliably again. > > Signed-off-by: Hugh Dickins <hughd@...gle.com> > --- > > mm/slub.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- mmotm/mm/slub.c 2012-09-07 12:39:38.136019730 -0700 > +++ fixed/mm/slub.c 2012-09-08 19:37:38.608993123 -0700 > @@ -3712,7 +3712,7 @@ void __init kmem_cache_init(void) > /* Allocate two kmem_caches from the page allocator */ > kmalloc_size = ALIGN(kmem_size, cache_line_size()); > order = get_order(2 * kmalloc_size); > - kmem_cache = (void *)__get_free_pages(GFP_NOWAIT, order); > + kmem_cache = (void *)__get_free_pages(GFP_NOWAIT | __GFP_ZERO, order); > > /* > * Must first have the slab cache available for the allocations of the -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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