Pull x86 cleanups from Ingo Molnar:
"A handful of cleanups: dma-ops cleanups, missing boot time kcalloc()
check, a Sparse fix and use struct_size() to simplify a vzalloc()
call"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pci: Clean up usage of X86_DEV_DMA_OPS
x86/Kconfig: Remove the unused X86_DMA_REMAP KConfig symbol
x86/kexec/crash: Use struct_size() in vzalloc()
x86/mm/tlb: Define LOADED_MM_SWITCHING with pointer-sized number
x86/platform/uv: Fix missing checks of kcalloc() return values