1 files changed, 58 insertions, 0 deletions
diff --git a/src/sys/include/os/kalloc.h b/src/sys/include/os/kalloc.h
new file mode 100644
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+++ b/src/sys/include/os/kalloc.h
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+/*
+ * Copyright (c) 2025 Ian Marco Moffett and L5 engineers
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _VM_DYNALLOC_H_
+#define _VM_DYNALLOC_H_
+
+#include <sys/types.h>
+
+/*
+ * Allocate a `sz` byte chunk of memory
+ * for system use.
+ *
+ * XXX: The returned buffer will have `sz` usable bytes
+ *      but may not be exact as it is common to store
+ *      ancillary data in a block header
+ *
+ * @sz: Number of bytes to allocate
+ *
+ * Returns the base pointer of the allocated memory
+ * on success, otherwise NULL on failure.
+ */
+void *kalloc(size_t sz);
+
+/*
+ * Free a chunk of memory given to by
+ * `ptr'
+ *
+ * @ptr: Base of memory chunk to free
+ */
+void kfree(void *ptr);
+
+#endif  /* !_VM_DYNALLOC_H_ */