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| author |   Matthew Wilcox <willy@linux.intel.com> | 2016-12-14 15:09:25 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:10 -0800 |
| commit | de1af8f62a78ea8abcc2dddb6de622e4069a368e (patch) | |
| tree | a1a43b87398e8356e489a7fa55c23f300e0c76c8 /tools/testing/radix-tree | |
| parent | idr: reduce the number of bits per level from 8 to 6 (diff) | |
| download | linux-dev-de1af8f62a78ea8abcc2dddb6de622e4069a368e.tar.xz linux-dev-de1af8f62a78ea8abcc2dddb6de622e4069a368e.zip | |
radix tree test suite: add some more functionality
IDR needs more functionality from the kernel: kmalloc()/kfree(), and
xchg().
Link: http://lkml.kernel.org/r/1480369871-5271-67-git-send-email-mawilcox@linuxonhyperv.com
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/testing/radix-tree')
| -rw-r--r-- | tools/testing/radix-tree/linux.c | 15 | ||||
| -rw-r--r-- | tools/testing/radix-tree/linux/kernel.h | 3 | ||||
| -rw-r--r-- | tools/testing/radix-tree/linux/slab.h | 3 |
3 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c index 1f32a16a3848..ff0452e8a0c4 100644 --- a/tools/testing/radix-tree/linux.c +++ b/tools/testing/radix-tree/linux.c @@ -54,6 +54,21 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp) free(objp); } +void *kmalloc(size_t size, gfp_t gfp) +{ + void *ret = malloc(size); + uatomic_inc(&nr_allocated); + return ret; +} + +void kfree(void *p) +{ + if (!p) + return; + uatomic_dec(&nr_allocated); + free(p); +} + struct kmem_cache * kmem_cache_create(const char *name, size_t size, size_t offset, unsigned long flags, void (*ctor)(void *)) diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h index 23e77f5673ce..9b43b4975d83 100644 --- a/tools/testing/radix-tree/linux/kernel.h +++ b/tools/testing/radix-tree/linux/kernel.h @@ -8,6 +8,7 @@ #include <limits.h> #include "../../include/linux/compiler.h" +#include "../../include/linux/err.h" #include "../../../include/linux/kconfig.h" #ifdef BENCHMARK @@ -58,4 +59,6 @@ static inline int in_interrupt(void) #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) #define round_down(x, y) ((x) & ~__round_mask(x, y)) +#define xchg(ptr, x) uatomic_xchg(ptr, x) + #endif /* _KERNEL_H */ diff --git a/tools/testing/radix-tree/linux/slab.h b/tools/testing/radix-tree/linux/slab.h index 452e2bf502e3..446639f78fc1 100644 --- a/tools/testing/radix-tree/linux/slab.h +++ b/tools/testing/radix-tree/linux/slab.h @@ -7,6 +7,9 @@ #define SLAB_PANIC 2 #define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */ +void *kmalloc(size_t size, gfp_t); +void kfree(void *); + struct kmem_cache { int size; void (*ctor)(void *); |