Russell King b7cfda9fc3 ARM: Fix pfn_valid() for sparse memory ... On OMAP platforms, some people want to declare to segment up the memory between the kernel and a separate application such that there is a hole in the middle of the memory as far as Linux is concerned. However, they want to be able to mmap() the hole. This currently causes problems, because update_mmu_cache() thinks that there are valid struct pages for the "hole". Fix this by making pfn_valid() slightly more expensive, by checking whether the PFN is contained within the meminfo array. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Khasim Syed Mohammed <khasim@ti.com>		2009-09-12 11:48:09 +01:00
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asm	ARM: Fix pfn_valid() for sparse memory	2009-09-12 11:48:09 +01:00