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D56395.id175512.diff
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diff --git a/sys/compat/linuxkpi/common/include/linux/slab.h b/sys/compat/linuxkpi/common/include/linux/slab.h
--- a/sys/compat/linuxkpi/common/include/linux/slab.h
+++ b/sys/compat/linuxkpi/common/include/linux/slab.h
@@ -4,7 +4,7 @@
* Copyright (c) 2010 Panasas, Inc.
* Copyright (c) 2013-2021 Mellanox Technologies, Ltd.
* All rights reserved.
- * Copyright (c) 2024-2025 The FreeBSD Foundation
+ * Copyright (c) 2024-2026 The FreeBSD Foundation
*
* Portions of this software were developed by Björn Zeeb
* under sponsorship from the FreeBSD Foundation.
@@ -51,6 +51,22 @@
#define kvcalloc(n, size, flags) kvmalloc_array(n, size, (flags) | __GFP_ZERO)
#define kzalloc(size, flags) kmalloc(size, (flags) | __GFP_ZERO)
#define kzalloc_node(size, flags, node) kmalloc_node(size, (flags) | __GFP_ZERO, node)
+#define kzalloc_obj(_p, ...) \
+ kzalloc(sizeof(typeof(_p)), default_gfp(__VA_ARGS__))
+#define kzalloc_objs(_p, _n, ...) \
+ kzalloc(size_mul((_n), sizeof(typeof(_p))), default_gfp(__VA_ARGS__))
+#define kzalloc_flex(_p, _field, _n, ...) \
+({ \
+ const size_t __n = (_n); \
+ const size_t __psize = struct_size_t(typeof(_p), _field, __n); \
+ typeof(_p) *__p_obj; \
+ \
+ __p_obj = kzalloc(__psize, default_gfp(__VA_ARGS__)); \
+ if (__p_obj != NULL) \
+ __set_flex_counter(__p_obj->_field, __n); \
+ \
+ __p_obj; \
+})
#define kfree_const(ptr) kfree(ptr)
#define kfree_async(ptr) kfree(ptr) /* drm-kmod 5.4 compat */
#define vzalloc(size) __vmalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, 0)
@@ -143,6 +159,12 @@
return (lkpi___kmalloc_node(size, flags, node));
}
+#define kmalloc_obj(_p, ...) \
+ kmalloc(sizeof(typeof(_p)), default_gfp(__VA_ARGS__))
+
+#define kmalloc_objs(_p, _n, ...) \
+ kmalloc(size_mul((_n) * sizeof(typeof(_p))), default_gfp(__VA_ARGS__))
+
static inline void *
krealloc(void *ptr, size_t size, gfp_t flags)
{
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D56395: LinuxKPI: add kmalloc_obj[s], kzalloc_obj[s], and kzalloc_flex
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