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libspl: move kmem definitions from zfs_context.h

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17861
This commit is contained in:
Rob Norris
2025-10-16 13:27:43 +11:00
committed by Brian Behlendorf
parent ee89fefe4d
commit 8b5d919d4e
3 changed files with 55 additions and 67 deletions
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lib/libspl/include/sys/kmem.h
+53 -13
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@@ -20,27 +20,67 @@
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
#ifndef _SYS_KMEM_H
#define _SYS_KMEM_H
#include <stdlib.h>
#include <umem.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Kernel memory
*/
#define KM_SLEEP UMEM_NOFAIL
#define KM_PUSHPAGE KM_SLEEP
#define KM_NOSLEEP UMEM_DEFAULT
#define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */
#define KMC_NODEBUG UMC_NODEBUG
#define KMC_KVMEM 0x0
#define KMC_RECLAIMABLE 0x0
#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
#define kmem_free(_b, _s) umem_free(_b, _s)
#define vmem_alloc(_s, _f) kmem_alloc(_s, _f)
#define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f)
#define vmem_free(_b, _s) kmem_free(_b, _s)
#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
#define kmem_debugging() 0
#define kmem_cache_reap_now(_c) umem_cache_reap_now(_c);
extern int kmem_cache_reap_active(void);
#define kmem_cache_set_move(_c, _cb) /* nothing */
#define POINTER_INVALIDATE(_pp) /* nothing */
#define POINTER_IS_VALID(_p) 0
#define KM_SLEEP 0x00000000 /* same as KM_SLEEP */
#define KM_NOSLEEP 0x00000001 /* same as KM_NOSLEEP */
extern char *kmem_vasprintf(const char *fmt, va_list adx);
extern char *kmem_asprintf(const char *fmt, ...);
#define kmem_strfree(str) kmem_free((str), strlen(str) + 1)
#define kmem_strdup(s) strdup(s)
#define kmem_alloc(size, flags) ((void) sizeof (flags), malloc(size))
#define kmem_free(ptr, size) ((void) sizeof (size), free(ptr))
extern int kmem_scnprintf(char *restrict str, size_t size,
const char *restrict fmt, ...);
#ifdef __cplusplus
}
#endif
typedef umem_cache_t kmem_cache_t;
typedef enum kmem_cbrc {
KMEM_CBRC_YES,
KMEM_CBRC_NO,
KMEM_CBRC_LATER,
KMEM_CBRC_DONT_NEED,
KMEM_CBRC_DONT_KNOW
} kmem_cbrc_t;
typedef int fstrans_cookie_t;
extern fstrans_cookie_t spl_fstrans_mark(void);
extern void spl_fstrans_unmark(fstrans_cookie_t);
#endif /* _SYS_KMEM_H */