修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/x86/include/asm/page.h
..
..
@@ -34,9 +34,9 @@
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 	copy_page(to, from);
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 }
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-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
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-	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
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-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
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+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
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+	alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO | __GFP_CMA, vma, vaddr)
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+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
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 #ifndef __pa
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 #define __pa(x)		__phys_addr((unsigned long)(x))