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| author | Matthew Wilcox | 2016-12-15 00:09:25 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2016-12-15 01:04:10 +0100 |
| commit | de1af8f62a78ea8abcc2dddb6de622e4069a368e (patch) | |
| tree | a1a43b87398e8356e489a7fa55c23f300e0c76c8 /tools/testing/radix-tree/linux.c | |
| parent | idr: reduce the number of bits per level from 8 to 6 (diff) | |
| download | kernel-qcow2-linux-de1af8f62a78ea8abcc2dddb6de622e4069a368e.tar.gz kernel-qcow2-linux-de1af8f62a78ea8abcc2dddb6de622e4069a368e.tar.xz kernel-qcow2-linux-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/linux.c')
| -rw-r--r-- | tools/testing/radix-tree/linux.c | 15 |
1 files changed, 15 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 *)) |