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authorRusty Russell <rusty@rustcorp.com.au>2009-09-23 22:26:31 -0600
committerRusty Russell <rusty@rustcorp.com.au>2009-09-23 22:26:31 +0930
commit3c1b27d5043086a485f8526353ae9fe37bfa1065 (patch)
treee3b6eda3c66bcd1fc3af6e7fa6e4e3af77459474 /mm/slab.c
parentf68d24082e22ccee3077d11aeb6dc5354f0ca7f1 (diff)
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virtio: make add_buf return capacity remaining
This API change means that virtio_net can tell how much capacity remains for buffers. It's necessarily fuzzy, since VIRTIO_RING_F_INDIRECT_DESC means we can fit any number of descriptors in one, *if* we can kmalloc. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Dinesh Subhraveti <dineshs@us.ibm.com>
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