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[PATCH] block: disable block layer bouncing for most memory on 64bit systems
authorAndi Kleen <ak@suse.de>
Thu, 9 Mar 2006 01:57:26 +0000 (17:57 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Thu, 9 Mar 2006 02:10:31 +0000 (18:10 -0800)
commit5ee1af9f519e6dc5a7d7912e87a1aaec857c8818
tree736a82a84beb422b4b48d9fba6d0e9129ab1e1fdtree | snapshot
parentf9262c12c0084ddba445a9a42e98994018e51400commit | diff
[PATCH] block: disable block layer bouncing for most memory on 64bit systems

The low level PCI DMA mapping functions should handle it in most cases.

This should fix problems with depleting the DMA zone early. The old
code used precious GFP_DMA memory in many cases where it was not needed.

Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
block/ll_rw_blk.c diff | blob | history
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