i40e/i40evf: Revert "i40e/i40evf: bump tail only in multiples of 8"

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This reverts commit 11f29003d6.

I am reverting this as I am fairly certain this can result in a memory leak
when combined with the current page recycling scheme. Specifically we end
up attempting to allocate fewer buffers than we recycled and this results
in us rewinding the next to alloc pointer which leads to leaks when we
overwrite the rx_buffer_info when processing the next frame.

Fixes: 11f29003d6 ("i40e/i40evf: bump tail only in multiples of 8")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Alexander Duyck 2017-10-21 17:51:50 -07:00 • committed by Jeff Kirsher

parent 3e6b1cf761

commit aa250f1186

2 changed files with 0 additions and 18 deletions

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9

drivers/net/ethernet/intel/i40e/i40e_txrx.c

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9

drivers/net/ethernet/intel/i40evf/i40e_txrx.c

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