Re: [PATCH V4 5/5] arch/powerpc/mm/hugetlb: NestMMU workaround for hugetlb mprotect RW upgrade
flat view
From: Christoph Hellwig <hch@infradead.org>
Date: 2018-12-18 17:23:04
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linux-mm
On Tue, Dec 18, 2018 at 03:11:37PM +0530, Aneesh Kumar K.V wrote:
+EXPORT_SYMBOL(huge_ptep_modify_prot_start);
The only user of this function is the one you added in the last patch in mm/hugetlb.c, so there is no need to export this function.
quoted hunk ↗ jump to hunk
+ +void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, pte_t old_pte, pte_t pte) +{ + + if (radix_enabled()) + return radix__huge_ptep_modify_prot_commit(vma, addr, ptep, + old_pte, pte); + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); +} +EXPORT_SYMBOL(huge_ptep_modify_prot_commit);
Same here.