[lkml]   [2001]   [Dec]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: highmem question
war wrote:

> I have 1GB of ram + HIGHMEM support on.
> How much of a performance impact are we talking about?
> 896MB of ram would be ok if HIGHMEM impacted the machine severely.
> Has anyone done any benchmarks with HIGHMEM vs NO HIGHMEM?

1 GB is really the worst case. You don't gain too much memory this way,
and suffer the necessary slowdown.

Personally I would support dropping the kernel boundary to 0xb8000000
and use 0xb8000000-0xbfffffff for iomem; that way 1 GB wouldn't need


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 13:13    [W:0.085 / U:1.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site