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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2009-04-15 18:22:41 +0900
committerIngo Molnar <mingo@elte.hu>2009-04-15 12:22:37 +0200
commite6a1a89d572c31b62d6dcf11a371c7323852d9b2 (patch)
treebca6ff9d83ae6820c3dd4270e165705c12b66f56 /arch/powerpc
parent7e05575c422d45f393c2d9b5900e97a30bf69bea (diff)
dma-debug: add dma_debug_resize_entries() to adjust the number of dma_debug_entries
We use a static value for the number of dma_debug_entries. It can be overwritten by a kernel command line option. Some IOMMUs (e.g. GART) can't set an appropriate value by a kernel command line option because they can't know such value until they finish initializing up their hardware. This patch adds dma_debug_resize_entries() enables IOMMUs to adjust the number of dma_debug_entries anytime. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Joerg Roedel <joerg.roedel@amd.com> Cc: fujita.tomonori@lab.ntt.co.jp Cc: akpm@linux-foundation.org LKML-Reference: <20090415182234R.fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc')
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