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authorHollis Blanchard <hollisb@us.ibm.com>2008-11-10 14:33:36 +0000
committerPaul Mackerras <paulus@samba.org>2008-11-19 16:04:52 +1100
commit7526ff76f84178f8c926de7e590e4c5f9d4a2e62 (patch)
treef85adf6239bb5b90051137fdf4669da89068d16f /arch/powerpc
parentefc3624c9419cad3cca93dfabb7b12664773d2b1 (diff)
powerpc: Remove superfluous WARN_ON() from dma-noncoherent.c
I can't tell why this WARN_ON exists, and there's no comment explaining it. Whether the pmd is present or not, pte_alloc_kernel() seems to handle both cases. Booting a 440 kernel with 64K PAGE_SIZE triggers the warning, but boot successfully completes and I see no problems beyond that. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/lib/dma-noncoherent.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c
index 31734c0969c..2b1ce184934 100644
--- a/arch/powerpc/lib/dma-noncoherent.c
+++ b/arch/powerpc/lib/dma-noncoherent.c
@@ -320,7 +320,6 @@ static int __init dma_alloc_init(void)
ret = -ENOMEM;
break;
}
- WARN_ON(!pmd_none(*pmd));
pte = pte_alloc_kernel(pmd, CONSISTENT_BASE);
if (!pte) {