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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /fs/xfs/kmem.c | |
| parent | Initial commit. (diff) | |
| download | linux-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.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/xfs/kmem.c b/fs/xfs/kmem.c new file mode 100644 index 0000000000..c557a030ac --- /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); +} |