x86/mm: Initialize pmd_idx in page_table_range_init_count()
commit 9962eea9 upstream. The variable pmd_idx is not initialized for the first iteration of the for loop. Assign the proper value which indexes the start address. Fixes: 719272c4 'x86, mm: only call early_ioremap_page_table_range_init() once' Signed-off-by: Minfei Huang <mnfhuang@gmail.com> Cc: tony.luck@intel.com Cc: wangnan0@huawei.com Cc: david.vrabel@citrix.com Reviewed-by: yinghai@kernel.org Link: http://lkml.kernel.org/r/1436703522-29552-1-git-send-email-mhuang@redhat.comSigned-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
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