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Searched refs:highmem_start (Results 1 – 4 of 4) sorted by relevance

/xen/xen/include/asm-x86/
A Dsetup.h53 # define highmem_start 0 macro
55 extern unsigned long highmem_start;
/xen/xen/arch/x86/
A Dsetup.c94 unsigned long __initdata highmem_start; variable
95 size_param("highmem-start", highmem_start);
1148 #ifndef highmem_start in __start_xen()
1150 if ( highmem_start < GB(4) ) in __start_xen()
1151 highmem_start = 0; in __start_xen()
1153 highmem_start &= ~((1UL << L3_PAGETABLE_SHIFT) - 1); in __start_xen()
1361 if ( highmem_start && end > highmem_start ) in __start_xen()
1418 if ( highmem_start ) in __start_xen()
1419 xenheap_max_mfn(PFN_DOWN(highmem_start - 1)); in __start_xen()
1635 if ( !highmem_start ) in __start_xen()
A Dmm.c347 if ( highmem_start ) in arch_init_memory()
349 unsigned long split_va = (unsigned long)__va(highmem_start); in arch_init_memory()
352 split_va - 1 == (unsigned long)__va(highmem_start - 1) ) in arch_init_memory()
/xen/xen/common/
A Dpage_alloc.c415 if ( highmem_start && pfn_align == 1 && in alloc_boot_pages()
416 r->e > PFN_DOWN(highmem_start) ) in alloc_boot_pages()
419 if ( pg + nr_pfns > PFN_DOWN(highmem_start) ) in alloc_boot_pages()

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