[lkml]   [2001]   [Oct]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.4.13-pre5-aa1 O_DIRECT drastic HIGHMEM performance hit
> Are we stuck with a low mem configuration or are there workarounds that
> would allow us to stick with the initial 2GB of RAM and still get ~200
> MB/sec.

Jens has patches for doing direct DMA I/O from highmem pages. That should
basically nullify that hit. Doing that mainstream is a 2.5 thing really
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:10    [W:0.088 / U:0.496 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site