 @@ -1,157 +1,157 @@
-/*	$NetBSD: vmalloc.h,v 1.11 2021/12/19 12:07:55 riastradh Exp $	*/
+/*	$NetBSD: vmalloc.h,v 1.12 2022/02/26 15:57:22 rillig Exp $	*/
 /*-
  * Copyright (c) 2013, 2018 The NetBSD Foundation, Inc.
  * All rights reserved.
+ *
  * This code is derived from software contributed to The NetBSD Foundation
  * by Taylor R. Campbell.
+ *
  * 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.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 _LINUX_VMALLOC_H_
 #define _LINUX_VMALLOC_H_
 #include <uvm/uvm_extern.h>
 #include <linux/mm.h>
 #include <linux/mm_types.h>
 #include <linux/overflow.h>
 #include <linux/slab.h>
 #include <asm/page.h>
 struct notifier_block;
 /*
  * XXX vmalloc and kvmalloc both use kmalloc.  If you change that, be
  * sure to update this so kvfree in <linux/mm.h> still works on vmalloc
  * addresses.
  */
 static inline bool
 is_vmalloc_addr(void *addr)
+{
 	return true;
+}
 static inline void *
 vmalloc(unsigned long size)
+{
 	return kmalloc(size, GFP_KERNEL);
+}
 static inline void *
 vmalloc_user(unsigned long size)
+{
 	return kzalloc(size, GFP_KERNEL);
+}
 static inline void *
 vzalloc(unsigned long size)
+{
 	return kzalloc(size, GFP_KERNEL);
+}
 static inline void
 vfree(void *ptr)
+{
-	return kfree(ptr);
+	kfree(ptr);
+}
 #define	PAGE_KERNEL	UVM_PROT_RW
 /*
  * vmap(pages, npages, flags, prot)
+ *
  *	Map pages[0], pages[1], ..., pages[npages-1] into contiguous
  *	kernel virtual address space with the specified protection, and
  *	return a KVA pointer to the start.
+ *
  *	prot may be a bitwise ior of UVM_PROT_READ/WRITE/EXEC and
  *	PMAP_* cache flags accepted by pmap_enter().
  */
 static inline void *
 vmap(struct page **pages, unsigned npages, unsigned long flags,
     pgprot_t protflags)
+{
 	vm_prot_t justprot = protflags & UVM_PROT_ALL;
 	vaddr_t va;
 	unsigned i;
 	/* Allocate some KVA, or return NULL if we can't.  */
 	va = uvm_km_alloc(kernel_map, (vsize_t)npages << PAGE_SHIFT, PAGE_SIZE,
 	    UVM_KMF_VAONLY|UVM_KMF_NOWAIT);
 	if (va == 0)
 		return NULL;
 	/* Ask pmap to map the KVA to the specified page addresses.  */
 	for (i = 0; i < npages; i++) {
 		pmap_kenter_pa(va + i*PAGE_SIZE, page_to_phys(pages[i]),
 		    justprot, protflags);
+	}
 	/* Commit the pmap updates.  */
 	pmap_update(pmap_kernel());
 	return (void *)va;
+}
 /*
  * vunmap(ptr, npages)
+ *
  *	Unmap the KVA pages starting at ptr that were mapped by a call
  *	to vmap with the same npages parameter.
  */
 static inline void
 vunmap(void *ptr, unsigned npages)
+{
 	vaddr_t va = (vaddr_t)ptr;
 	/* Ask pmap to unmap the KVA.  */
 	pmap_kremove(va, (vsize_t)npages << PAGE_SHIFT);
 	/* Commit the pmap updates.  */
 	pmap_update(pmap_kernel());
 	/*
 	 * Now that the pmap is no longer mapping the KVA we allocated
 	 * on any CPU, it is safe to free the KVA.
 	 */
 	uvm_km_free(kernel_map, va, (vsize_t)npages << PAGE_SHIFT,
 	    UVM_KMF_VAONLY);
+}
 static inline int
 register_vmap_purge_notifier(struct notifier_block *nb __unused)
+{
 	return 0;
+}
 static inline int
 unregister_vmap_purge_notifier(struct notifier_block *nb __unused)
+{
 	return 0;
+}
 #endif  /* _LINUX_VMALLOC_H_ */