write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/linux/shrinker.h
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@@ -2,6 +2,8 @@
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 #ifndef _LINUX_SHRINKER_H
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 #define _LINUX_SHRINKER_H
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+#include <linux/android_vendor.h>
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+
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 /*
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  * This struct is used to pass information from page reclaim to the shrinkers.
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  * We consolidate the values for easier extention later.
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@@ -31,6 +33,7 @@
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 	/* current memcg being shrunk (for memcg aware shrinkers) */
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 	struct mem_cgroup *memcg;
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+	ANDROID_OEM_DATA_ARRAY(1, 3);
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 };
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 #define SHRINK_STOP (~0UL)
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@@ -69,7 +72,7 @@
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 	/* These are for internal use */
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 	struct list_head list;
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-#ifdef CONFIG_MEMCG_KMEM
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+#ifdef CONFIG_MEMCG
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 	/* ID in shrinker_idr */
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 	int id;
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 #endif
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@@ -81,6 +84,11 @@
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 /* Flags */
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 #define SHRINKER_NUMA_AWARE	(1 << 0)
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 #define SHRINKER_MEMCG_AWARE	(1 << 1)
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+/*
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+ * It just makes sense when the shrinker is also MEMCG_AWARE for now,
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+ * non-MEMCG_AWARE shrinker should not have this flag set.
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+ */
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+#define SHRINKER_NONSLAB	(1 << 2)
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 extern int prealloc_shrinker(struct shrinker *shrinker);
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 extern void register_shrinker_prepared(struct shrinker *shrinker);