um: Fix the -Wmissing-prototypes warning for __switch_mm
The __switch_mm function is defined in the user code, and is called by the kernel code. It should be declared in a shared header. Fixes: 4dc706c2f292 ("um: take um_mmu.h to asm/mmu.h, clean asm/mmu_context.h a bit") Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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@ -14,8 +14,6 @@ typedef struct mm_context {
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struct uml_arch_mm_context arch;
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} mm_context_t;
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extern void __switch_mm(struct mm_id * mm_idp);
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/* Avoid tangled inclusion with asm/ldt.h */
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extern long init_new_ldt(struct mm_context *to_mm, struct mm_context *from_mm);
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extern void free_ldt(struct mm_context *mm);
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@ -15,4 +15,6 @@ struct mm_id {
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int kill;
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};
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void __switch_mm(struct mm_id *mm_idp);
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#endif
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