diff options
| author | Jens Axboe <jaxboe@fusionio.com> | 2010-10-01 14:42:43 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-10-01 14:42:43 +0200 |
| commit | 260a67a9e534f0c7d49ddd6451833d54ba39ac81 (patch) | |
| tree | acc1fc416481201b5f38a53a9d6877c00b117fd8 /block/blk-settings.c | |
| parent | e4ecda1b60bfd2333c12bbe71b153d3b6bdc831a (diff) | |
| download | lwn-260a67a9e534f0c7d49ddd6451833d54ba39ac81.tar.gz lwn-260a67a9e534f0c7d49ddd6451833d54ba39ac81.zip | |
block: revert bad fix for memory hotplug causing bounces
Revert "block: set the bounce_pfn to the actual DMA limit rather than to max memory"
This reverts commit c49825facfd4969585224a896a5e717f88450cad.
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-settings.c')
| -rw-r--r-- | block/blk-settings.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index f47af5031eaa..f8f2ddf20613 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -214,14 +214,16 @@ void blk_queue_bounce_limit(struct request_queue *q, u64 dma_mask) */ if (b_pfn < (min_t(u64, 0xffffffffUL, BLK_BOUNCE_HIGH) >> PAGE_SHIFT)) dma = 1; + q->limits.bounce_pfn = max_low_pfn; #else if (b_pfn < blk_max_low_pfn) dma = 1; -#endif q->limits.bounce_pfn = b_pfn; +#endif if (dma) { init_emergency_isa_pool(); q->bounce_gfp = GFP_NOIO | GFP_DMA; + q->limits.bounce_pfn = b_pfn; } } EXPORT_SYMBOL(blk_queue_bounce_limit); |