修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/vm/split_page_table_lock.rst
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@@ -54,9 +54,9 @@
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 Support of split page table lock by an architecture
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 ===================================================
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-There's no need in special enabling of PTE split page table lock:
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-everything required is done by pgtable_page_ctor() and pgtable_page_dtor(),
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-which must be called on PTE table allocation / freeing.
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+There's no need in special enabling of PTE split page table lock: everything
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+required is done by pgtable_pte_page_ctor() and pgtable_pte_page_dtor(), which
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+must be called on PTE table allocation / freeing.
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 Make sure the architecture doesn't use slab allocator for page table
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 allocation: slab uses page->slab_cache for its pages.
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 With everything in place you can set CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK.
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-NOTE: pgtable_page_ctor() and pgtable_pmd_page_ctor() can fail -- it must
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+NOTE: pgtable_pte_page_ctor() and pgtable_pmd_page_ctor() can fail -- it must
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 be handled properly.
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 page->ptl
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    split lock with enabled DEBUG_SPINLOCK or DEBUG_LOCK_ALLOC, but costs
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    one more cache line for indirect access;
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-The spinlock_t allocated in pgtable_page_ctor() for PTE table and in
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+The spinlock_t allocated in pgtable_pte_page_ctor() for PTE table and in
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 pgtable_pmd_page_ctor() for PMD table.
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 Please, never access page->ptl directly -- use appropriate helper.