--- zzzz-none-000/linux-4.4.60/include/linux/slab.h	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/include/linux/slab.h	2021-02-04 17:41:59.000000000 +0000
@@ -26,7 +26,18 @@
 #define SLAB_HWCACHE_ALIGN	0x00002000UL	/* Align objs on cache lines */
 #define SLAB_CACHE_DMA		0x00004000UL	/* Use GFP_DMA memory */
 #define SLAB_STORE_USER		0x00010000UL	/* DEBUG: Store the last owner for bug hunting */
+#define SLAB_STORE_USER_LITE	0x00020000UL	/* AVM: need for slab_allocator usage */
 #define SLAB_PANIC		0x00040000UL	/* Panic if kmem_cache_create() fails */
+#define SLAB_PANIC_CORRUPTION	0x00080000UL	/* Panic if alloc/free consistency check fails */
+
+#if defined(CONFIG_DEBUG_SLAB_AVM_LITE)
+#define SLAB_STORE_USER_AND_TIME		0x04000000UL	/* DEBUG_SLAB_AVM_LITE: Store the last owner for oom-analyzing */
+#define SLAB_POISON_WRITE_AFTER_FREE		0x08000000UL	/* DEBUG_SLAB_AVM_LITE: if poison on check write after free */
+
+#if defined(CONFIG_DEBUG_SLAB)
+#error conflict DEBUG_SLAB versus DEBUG_SLAB_AVM_LITE
+#endif
+#endif/*--- #if defined(CONFIG_DEBUG_SLAB_AVM_LITE) ---*/
 /*
  * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS!
  *
@@ -182,15 +193,15 @@
 #ifdef CONFIG_SLAB
 /*
  * The largest kmalloc size supported by the SLAB allocators is
- * 32 megabyte (2^25) or the maximum allocatable page order if that is
- * less than 32 MB.
+ * 1 megabyte (2^20) or the maximum allocatable page order if that is
+ * less than 1 MB.
  *
  * WARNING: Its not easy to increase this value since the allocators have
  * to do various tricks to work around compiler limitations in order to
  * ensure proper constant folding.
  */
-#define KMALLOC_SHIFT_HIGH	((MAX_ORDER + PAGE_SHIFT - 1) <= 25 ? \
-				(MAX_ORDER + PAGE_SHIFT - 1) : 25)
+#define KMALLOC_SHIFT_HIGH	((MAX_ORDER + PAGE_SHIFT - 1) <= 20 ? \
+				(MAX_ORDER + PAGE_SHIFT - 1) : 20)
 #define KMALLOC_SHIFT_MAX	KMALLOC_SHIFT_HIGH
 #ifndef KMALLOC_SHIFT_LOW
 #define KMALLOC_SHIFT_LOW	5