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Commit 94e3f0df authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "mm: Using init_mm in apply_to_page_range() if addr >= PAGE_OFFSET"

parents 2d2181fd 9951960f
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+4 −1
Original line number Diff line number Diff line
@@ -686,11 +686,14 @@ static inline void pte_update(unsigned long addr, pteval_t mask,
				  pteval_t prot, struct mm_struct *mm)
{
	struct pte_data data;
	struct mm_struct *apply_mm = mm;

	data.mask = mask;
	data.val = prot;

	apply_to_page_range(mm, addr, SECTION_SIZE, __pte_update, &data);
	if (addr >= PAGE_OFFSET)
		apply_mm = &init_mm;
	apply_to_page_range(apply_mm, addr, SECTION_SIZE, __pte_update, &data);
	flush_tlb_kernel_range(addr, addr + SECTION_SIZE);
}