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Roland Dreier 1bf66a3042 IB: Put rlimit accounting struct in struct ib_umem ... When memory pinned with ib_umem_get() is released, ib_umem_release() needs to subtract the amount of memory being unpinned from mm->locked_vm. However, ib_umem_release() may be called with mm->mmap_sem already held for writing if the memory is being released as part of an munmap() call, so it is sometimes necessary to defer this accounting into a workqueue. However, the work struct used to defer this accounting is dynamically allocated before it is queued, so there is the possibility of failing that allocation. If the allocation fails, then ib_umem_release has no choice except to bail out and leave the process with a permanently elevated locked_vm. Fix this by allocating the structure to defer accounting as part of the original struct ib_umem, so there's no possibility of failing a later allocation if creating the struct ib_umem and pinning memory succeeds. Signed-off-by: Roland Dreier <rolandd@cisco.com>		18 years ago
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Kbuild	…
ib_addr.h	…
ib_cache.h	…
ib_cm.h	…
ib_fmr_pool.h	…
ib_mad.h	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
ib_marshall.h	…
ib_pack.h	…
ib_sa.h	…
ib_smi.h	…
ib_umem.h	IB: Put rlimit accounting struct in struct ib_umem	18 years ago
ib_user_cm.h	…
ib_user_mad.h	…
ib_user_sa.h	…
ib_user_verbs.h	…
ib_verbs.h	IB/uverbs: Export ib_umem_get()/ib_umem_release() to modules	18 years ago
iw_cm.h	…
rdma_cm.h	RDMA/cma: Add multicast communication support	18 years ago
rdma_cm_ib.h	RDMA/cma: Add multicast communication support	18 years ago
rdma_user_cm.h	RDMA/cma: Add multicast communication support	18 years ago