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tools: Move gfp.h and slab.h from radix-tree to lib 

Merge radix-tree definitions from gfp.h and slab.h with these
in tools/lib, so they can be used in other test suites.
Fix style issues in slab.h. Update radix-tree test files.

Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/b76ddb8a12fdf9870b55c1401213e44f5e0d0da3.1643796665.git.karolinadrobnik@gmail.com
This commit is contained in:
Karolina Drobnik 2022-02-02 12:03:00 +01:00 committed by Mike Rapoport
parent 754e0b0e35
commit aa0eab8639
6 changed files with 76 additions and 68 deletions
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28
tools/include/linux/gfp.h
View File

@ -1,4 +1,32 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TOOLS_INCLUDE_LINUX_GFP_H
#define _TOOLS_INCLUDE_LINUX_GFP_H
#include <linux/types.h>
#define __GFP_BITS_SHIFT 26
#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
#define __GFP_HIGH 0x20u
#define __GFP_IO 0x40u
#define __GFP_FS 0x80u
#define __GFP_NOWARN 0x200u
#define __GFP_ZERO 0x8000u
#define __GFP_ATOMIC 0x80000u
#define __GFP_ACCOUNT 0x100000u
#define __GFP_DIRECT_RECLAIM 0x400000u
#define __GFP_KSWAPD_RECLAIM 0x2000000u
#define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM)
#define GFP_ZONEMASK 0x0fu
#define GFP_ATOMIC (__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM)
#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
{
return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
}
#endif /* _TOOLS_INCLUDE_LINUX_GFP_H */

13
tools/testing/radix-tree/linux/slab.h → tools/include/linux/slab.h
View File

@ -1,16 +1,17 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SLAB_H
#define SLAB_H
#ifndef _TOOLS_SLAB_H
#define _TOOLS_SLAB_H
#include <linux/types.h>
#include <linux/gfp.h>
#define SLAB_HWCACHE_ALIGN 1
#define SLAB_PANIC 2
#define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */
void *kmalloc(size_t size, gfp_t);
void kfree(void *);
#define kzalloc_node(size, flags, node) kmalloc(size, flags)
void *kmalloc(size_t size, gfp_t gfp);
void kfree(void *p);
static inline void *kzalloc(size_t size, gfp_t gfp)
{
@ -24,4 +25,4 @@ struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,
unsigned int align, unsigned int flags,
void (*ctor)(void *));
#endif /* SLAB_H */
#endif /* _TOOLS_SLAB_H */

38
tools/lib/slab.c Normal file
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@ -0,0 +1,38 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <string.h>
#include <urcu/uatomic.h>
#include <linux/slab.h>
#include <malloc.h>
#include <linux/gfp.h>
int kmalloc_nr_allocated;
int kmalloc_verbose;
void *kmalloc(size_t size, gfp_t gfp)
{
void *ret;
if (!(gfp & __GFP_DIRECT_RECLAIM))
return NULL;
ret = malloc(size);
uatomic_inc(&kmalloc_nr_allocated);
if (kmalloc_verbose)
printf("Allocating %p from malloc\n", ret);
if (gfp & __GFP_ZERO)
memset(ret, 0, size);
return ret;
}
void kfree(void *p)
{
if (!p)
return;
uatomic_dec(&kmalloc_nr_allocated);
if (kmalloc_verbose)
printf("Freeing %p to malloc\n", p);
free(p);
}

3
tools/testing/radix-tree/Makefile
View File

@ -5,7 +5,8 @@ CFLAGS += -I. -I../../include -g -Og -Wall -D_LGPL_SOURCE -fsanitize=address \
LDFLAGS += -fsanitize=address -fsanitize=undefined
LDLIBS+= -lpthread -lurcu
TARGETS = main idr-test multiorder xarray
CORE_OFILES := xarray.o radix-tree.o idr.o linux.o test.o find_bit.o bitmap.o
CORE_OFILES := xarray.o radix-tree.o idr.o linux.o test.o find_bit.o bitmap.o \
slab.o
OFILES = main.o $(CORE_OFILES) regression1.o regression2.o regression3.o \
regression4.o tag_check.o multiorder.o idr-test.o iteration_check.o \
iteration_check_2.o benchmark.o

27
tools/testing/radix-tree/linux.c
View File

@ -14,7 +14,6 @@
int nr_allocated;
int preempt_count;
int kmalloc_verbose;
int test_verbose;
struct kmem_cache {
@ -78,32 +77,6 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
pthread_mutex_unlock(&cachep->lock);
}
void *kmalloc(size_t size, gfp_t gfp)
{
void *ret;
if (!(gfp & __GFP_DIRECT_RECLAIM))
return NULL;
ret = malloc(size);
uatomic_inc(&nr_allocated);
if (kmalloc_verbose)
printf("Allocating %p from malloc\n", ret);
if (gfp & __GFP_ZERO)
memset(ret, 0, size);
return ret;
}
void kfree(void *p)
{
if (!p)
return;
uatomic_dec(&nr_allocated);
if (kmalloc_verbose)
printf("Freeing %p to malloc\n", p);
free(p);
}
struct kmem_cache *
kmem_cache_create(const char *name, unsigned int size, unsigned int align,
unsigned int flags, void (*ctor)(void *))

33
tools/testing/radix-tree/linux/gfp.h
View File

@ -1,33 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _GFP_H
#define _GFP_H
#include <linux/types.h>
#define __GFP_BITS_SHIFT 26
#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
#define __GFP_HIGH 0x20u
#define __GFP_IO 0x40u
#define __GFP_FS 0x80u
#define __GFP_NOWARN 0x200u
#define __GFP_ZERO 0x8000u
#define __GFP_ATOMIC 0x80000u
#define __GFP_ACCOUNT 0x100000u
#define __GFP_DIRECT_RECLAIM 0x400000u
#define __GFP_KSWAPD_RECLAIM 0x2000000u
#define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM)
#define GFP_ZONEMASK 0x0fu
#define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
{
return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
}
#endif