jemalloc/jemalloc-4.2.1.upstream_bug393_1.patch

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From 2c53faf352ca7722f1a776c8c381b01da5b4fa96 Mon Sep 17 00:00:00 2001
From: Jason Evans <jasone@canonware.com>
Date: Fri, 28 Oct 2016 10:44:39 -0700
Subject: [PATCH] Periodically purge in memory-intensive integration tests.
This resolves #393.
---
test/integration/aligned_alloc.c | 13 ++++++++++---
test/integration/mallocx.c | 7 +++++++
test/integration/posix_memalign.c | 13 ++++++++++---
3 files changed, 27 insertions(+), 6 deletions(-)
diff --git a/test/integration/aligned_alloc.c b/test/integration/aligned_alloc.c
index 6090014..80bb38f 100644
--- a/test/integration/aligned_alloc.c
+++ b/test/integration/aligned_alloc.c
@@ -1,9 +1,7 @@
#include "test/jemalloc_test.h"
#define CHUNK 0x400000
-/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
-#define MAXALIGN ((size_t)0x2000000LU)
-#define NITER 4
+#define MAXALIGN (((size_t)1) << 25)
TEST_BEGIN(test_alignment_errors)
{
@@ -74,6 +72,7 @@ TEST_END
TEST_BEGIN(test_alignment_and_size)
{
+#define NITER 4
size_t alignment, size, total;
unsigned i;
void *ps[NITER];
@@ -110,7 +109,15 @@ TEST_BEGIN(test_alignment_and_size)
}
}
}
+ /*
+ * On systems which can't merge extents, this test generates a
+ * lot of dirty memory very quickly. Purge between cycles to
+ * avoid potential OOM on e.g. 32-bit Windows.
+ */
+ assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
+ "Unexpected mallctl error");
}
+#undef NITER
}
TEST_END
diff --git a/test/integration/mallocx.c b/test/integration/mallocx.c
index 55e1a09..69ce781 100644
--- a/test/integration/mallocx.c
+++ b/test/integration/mallocx.c
@@ -196,6 +196,13 @@ TEST_BEGIN(test_alignment_and_size)
}
}
}
+ /*
+ * On systems which can't merge extents, this test generates a
+ * lot of dirty memory very quickly. Purge between cycles to
+ * avoid potential OOM on e.g. 32-bit Windows.
+ */
+ assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
+ "Unexpected mallctl error");
}
#undef MAXALIGN
#undef NITER
diff --git a/test/integration/posix_memalign.c b/test/integration/posix_memalign.c
index 19741c6..171bcea 100644
--- a/test/integration/posix_memalign.c
+++ b/test/integration/posix_memalign.c
@@ -1,9 +1,7 @@
#include "test/jemalloc_test.h"
#define CHUNK 0x400000
-/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
-#define MAXALIGN ((size_t)0x2000000LU)
-#define NITER 4
+#define MAXALIGN (((size_t)1) << 25)
TEST_BEGIN(test_alignment_errors)
{
@@ -66,6 +64,7 @@ TEST_END
TEST_BEGIN(test_alignment_and_size)
{
+#define NITER 4
size_t alignment, size, total;
unsigned i;
int err;
@@ -104,7 +103,15 @@ TEST_BEGIN(test_alignment_and_size)
}
}
}
+ /*
+ * On systems which can't merge extents, this test generates a
+ * lot of dirty memory very quickly. Purge between cycles to
+ * avoid potential OOM on e.g. 32-bit Windows.
+ */
+ assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
+ "Unexpected mallctl error");
}
+#undef NITER
}
TEST_END