change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/mm/mmzone.c
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@@ -9,6 +9,7 @@
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 #include <linux/stddef.h>
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 #include <linux/mm.h>
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 #include <linux/mmzone.h>
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+#include <trace/hooks/mm.h>
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 struct pglist_data *first_online_pgdat(void)
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 {
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@@ -73,20 +74,6 @@
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 }
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 EXPORT_SYMBOL_GPL(__next_zones_zonelist);
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-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
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-bool memmap_valid_within(unsigned long pfn,
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-					struct page *page, struct zone *zone)
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-{
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-	if (page_to_pfn(page) != pfn)
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-		return false;
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-
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-	if (page_zone(page) != zone)
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-		return false;
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-
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-	return true;
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-}
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-#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
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-
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 void lruvec_init(struct lruvec *lruvec)
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 {
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 	enum lru_list lru;
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@@ -114,3 +101,20 @@
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 	return last_cpupid;
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 }
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 #endif
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+
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+enum zone_type gfp_zone(gfp_t flags)
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+{
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+	enum zone_type z;
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+	gfp_t local_flags = flags;
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+	int bit;
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+
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+	trace_android_rvh_set_gfp_zone_flags(&local_flags);
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+
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+	bit = (__force int) ((local_flags) & GFP_ZONEMASK);
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+
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+	z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
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+					 ((1 << GFP_ZONES_SHIFT) - 1);
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+	VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
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+	return z;
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+}
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+EXPORT_SYMBOL_GPL(gfp_zone);