15 #include <linux/mm.h>
19 #include <linux/sched/mm.h>
98 	gap_max = (task_size / 6) * 5;  in mmap_base()
129 void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)  in arch_pick_mmap_layout()  argument
132 		clear_bit(MMF_TOPDOWN, &mm->flags);  in arch_pick_mmap_layout()
134 		set_bit(MMF_TOPDOWN, &mm->flags);  in arch_pick_mmap_layout()
136 	arch_pick_mmap_base(&mm->mmap_base, &mm->mmap_legacy_base,  in arch_pick_mmap_layout()
147 	arch_pick_mmap_base(&mm->mmap_compat_base, &mm->mmap_compat_legacy_base,  in arch_pick_mmap_layout()
155 	struct mm_struct *mm = current->mm;  in get_mmap_base()  local
159 		return is_legacy ? mm->mmap_compat_legacy_base  in get_mmap_base()
160 				 : mm->mmap_compat_base;  in get_mmap_base()
163 	return is_legacy ? mm->mmap_legacy_base : mm->mmap_base;  in get_mmap_base()
180  * On 64bit with 5-level page tables another sanity check is required
194  *  With 5-level paging this request would be granted and result in a
204  * fails on a 4-level paging machine but succeeds on a 5-level paging