mirror of https://gitee.com/openkylin/linux.git
[PATCH] mm: small cleanup of install_page()
Smallish cleanup to install_page(), could save a memory read (haven't checked the asm output) and sure looks nicer. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -79,9 +79,9 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma,
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inc_mm_counter(mm, file_rss);
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inc_mm_counter(mm, file_rss);
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flush_icache_page(vma, page);
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flush_icache_page(vma, page);
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set_pte_at(mm, addr, pte, mk_pte(page, prot));
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pte_val = mk_pte(page, prot);
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set_pte_at(mm, addr, pte, pte_val);
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page_add_file_rmap(page);
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page_add_file_rmap(page);
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pte_val = *pte;
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update_mmu_cache(vma, addr, pte_val);
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update_mmu_cache(vma, addr, pte_val);
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lazy_mmu_prot_update(pte_val);
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lazy_mmu_prot_update(pte_val);
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err = 0;
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err = 0;
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