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s390/mm: silence compiler warning when compiling without CONFIG_PGSTE
If CONFIG_PGSTE is not set (e.g. when compiling without KVM), GCC complains: CC arch/s390/mm/pgtable.o arch/s390/mm/pgtable.c:413:15: warning: ‘pmd_alloc_map’ defined but not used [-Wunused-function] static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) ^~~~~~~~~~~~~ Wrap the function with "#ifdef CONFIG_PGSTE" to silence the warning. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -410,6 +410,7 @@ static inline pmd_t pmdp_flush_lazy(struct mm_struct *mm,
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return old;
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}
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#ifdef CONFIG_PGSTE
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static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr)
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{
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pgd_t *pgd;
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@ -427,6 +428,7 @@ static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr)
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pmd = pmd_alloc(mm, pud, addr);
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return pmd;
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}
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#endif
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pmd_t pmdp_xchg_direct(struct mm_struct *mm, unsigned long addr,
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pmd_t *pmdp, pmd_t new)
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