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6b5d41a1b9
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> |
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