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authorTejun Heo <tj@kernel.org>2011-07-12 11:16:03 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2011-07-14 11:47:50 -0700
commit6b5d41a1b97f5529284f16170211b87fd60264c0 (patch)
tree4c11da3e2876e8e5d981bbad8d658cdf268a9203 /net/bridge
parent8a9ca34c11e1695dab7aff3cfa7780fbfe76b2f8 (diff)
downloadlinux-6b5d41a1b97f5529284f16170211b87fd60264c0.tar.bz2
memblock, x86: Reimplement memblock_find_dma_reserve() using iterators
memblock_find_dma_reserve() wants to find out how much memory is reserved under MAX_DMA_PFN. memblock_x86_memory_[free_]in_range() are used to find out the amounts of all available and free memory in the area, which are then subtracted to find out the amount of reservation. memblock_x86_memblock_[free_]in_range() are implemented using __memblock_x86_memory_in_range() which builds ranges from memblock and then count them, which is rather unnecessarily complex. This patch open codes the counting logic directly in memblock_find_dma_reserve() using memblock iterators and removes now unused __memblock_x86_memory_in_range() and find_range_array(). Signed-off-by: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1310462166-31469-11-git-send-email-tj@kernel.org Cc: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'net/bridge')
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