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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /fs/xfs/kmem.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/xfs/kmem.c')
-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);
+}