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-rw-r--r--fs/xfs/kmem.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/xfs/kmem.c b/fs/xfs/kmem.c
new file mode 100644
index 000000000..c557a030a
--- /dev/null
+++ b/fs/xfs/kmem.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#include "xfs.h"
+#include "xfs_message.h"
+#include "xfs_trace.h"
+
+void *
+kmem_alloc(size_t size, xfs_km_flags_t flags)
+{
+ int retries = 0;
+ gfp_t lflags = kmem_flags_convert(flags);
+ void *ptr;
+
+ trace_kmem_alloc(size, flags, _RET_IP_);
+
+ do {
+ ptr = kmalloc(size, lflags);
+ if (ptr || (flags & KM_MAYFAIL))
+ return ptr;
+ if (!(++retries % 100))
+ xfs_err(NULL,
+ "%s(%u) possible memory allocation deadlock size %u in %s (mode:0x%x)",
+ current->comm, current->pid,
+ (unsigned int)size, __func__, lflags);
+ memalloc_retry_wait(lflags);
+ } while (1);
+}