The patch titled
Subject: radix tree test suite: add some more functionality
has been added to the -mm tree. Its filename is
radix-tree-test-suite-add-some-more-functionality.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/radix-tree-test-suite-add-some-more-functionality.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/radix-tree-test-suite-add-some-more-functionality.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
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------------------------------------------------------
From: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Tested-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/radix-tree/linux.c | 15 +++++++++++++++
tools/testing/radix-tree/linux/kernel.h | 3 +++
tools/testing/radix-tree/linux/slab.h | 3 +++
3 files changed, 21 insertions(+)
diff -puN tools/testing/radix-tree/linux.c~radix-tree-test-suite-add-some-more-functionality tools/testing/radix-tree/linux.c
--- a/tools/testing/radix-tree/linux.c~radix-tree-test-suite-add-some-more-functionality
+++ a/tools/testing/radix-tree/linux.c
@@ -54,6 +54,21 @@ void kmem_cache_free(struct kmem_cache *
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 -puN tools/testing/radix-tree/linux/kernel.h~radix-tree-test-suite-add-some-more-functionality tools/testing/radix-tree/linux/kernel.h
--- a/tools/testing/radix-tree/linux/kernel.h~radix-tree-test-suite-add-some-more-functionality
+++ a/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 -puN tools/testing/radix-tree/linux/slab.h~radix-tree-test-suite-add-some-more-functionality tools/testing/radix-tree/linux/slab.h
--- a/tools/testing/radix-tree/linux/slab.h~radix-tree-test-suite-add-some-more-functionality
+++ a/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 *);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxxxx are
tools-add-warn_on_once.patch
radix-tree-test-suite-allow-gfp_atomic-allocations-to-fail.patch
tools-add-more-bitmap-functions.patch
radix-tree-test-suite-use-common-find-bit-code.patch
radix-tree-fix-typo.patch
radix-tree-create-node_tag_set.patch
radix-tree-make-radix_tree_find_next_bit-more-useful.patch
radix-tree-add-radix_tree_join.patch
radix-tree-add-radix_tree_split.patch
radix-tree-add-radix_tree_split_preload.patch
idr-add-ida_is_empty.patch
idr-reduce-the-number-of-bits-per-level-from-8-to-6.patch
radix-tree-test-suite-add-some-more-functionality.patch
reimplement-idr-and-ida-using-the-radix-tree.patch
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