change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/mm/util.c
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@@ -29,6 +29,7 @@
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 #include "internal.h"
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 #ifndef __GENKSYMS__
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 #include <trace/hooks/syscall_check.h>
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+#include <trace/hooks/mm.h>
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 #endif
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 /**
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@@ -587,6 +588,7 @@
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 {
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 	gfp_t kmalloc_flags = flags;
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 	void *ret;
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+	bool use_vmalloc = false;
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 	/*
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 	 * vmalloc uses GFP_KERNEL for some internal allocations (e.g page tables)
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@@ -594,6 +596,10 @@
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 	 */
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 	if ((flags & GFP_KERNEL) != GFP_KERNEL)
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 		return kmalloc_node(size, flags, node);
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+
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+	trace_android_vh_kvmalloc_node_use_vmalloc(size, &kmalloc_flags, &use_vmalloc);
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+	if (use_vmalloc)
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+		goto use_vmalloc_node;
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 	/*
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 	 * We want to attempt a large physically contiguous block first because
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@@ -624,6 +630,7 @@
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 		return NULL;
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 	}
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+use_vmalloc_node:
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 	return __vmalloc_node(size, 1, flags, node,
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 			__builtin_return_address(0));
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 }