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radix tree test suite: add some more functionality

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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>
This commit is contained in:
Matthew Wilcox
2016-12-14 15:09:25 -08:00
committed by Linus Torvalds
parent 424251a4a9
commit de1af8f62a
3 changed files with 21 additions and 0 deletions
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15
tools/testing/radix-tree/linux.c
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@@ -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 *))