Increasing MAXPHYS to 256K shows a few places where it's assumed that
there are 16 pages in MAXPHYS.
In dev/ic/ahci.c I had to make this change @307 to make the
scatter-gather table large enough - 1 entry per page + extra
because that's what the previous code had and didn't say why.
I could
its generally hard for the cpu to slow a disk down...
On 12/11/2011, at 8:36 AM, Geoff Steckel wrote:
Increasing MAXPHYS to 256K shows a few places where it's assumed that
there are 16 pages in MAXPHYS.
In dev/ic/ahci.c I had to make this change @307 to make the
scatter-gather table large