From d1ff7bcc91886626dc9060ec5fb67ee102ab7c1d Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Mon, 11 Mar 2024 21:30:31 -0400
Subject: usermode capable kernel with logging syscall

---
 mem/slab.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 mem/slab.h

(limited to 'mem/slab.h')

diff --git a/mem/slab.h b/mem/slab.h
new file mode 100644
index 0000000..074d278
--- /dev/null
+++ b/mem/slab.h
@@ -0,0 +1,33 @@
+#ifndef JOVE_MEMORY_SLAB_H
+#define JOVE_MEMORY_SLAB_H 1
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define SLABCACHE_NAME_LIMIT 32
+struct SlabCache
+{
+    char name[SLABCACHE_NAME_LIMIT];
+
+    struct SlabDescriptor *list_free;
+    struct SlabDescriptor *list_partial;
+    struct SlabDescriptor *list_full;
+
+    size_t obj_size;
+    size_t slab_pages;
+};
+
+struct SlabDescriptor
+{
+    struct SlabDescriptor *prev;
+    struct SlabDescriptor *next;
+    void *slab_base;
+    void *obj_base;
+
+    size_t free_count;
+    int free_index;
+    uintptr_t free[];
+};
+
+#endif
-- 
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