lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

aperture_64.c: clarify that too small aperture is valid reason for this code

Browse Source 
Impact: update comment

Clarify that too small aperture is valid reason for this code.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Pavel Machek
2008-11-26 17:15:27 +01:00
committed by Ingo Molnar
parent 1d9b16d169
commit 8caac56305
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86/kernel/aperture_64.c
View File

@@ -1,8 +1,9 @@
/* /*
* Firmware replacement code. * Firmware replacement code.
* *
* Work around broken BIOSes that don't set an aperture or only set the * Work around broken BIOSes that don't set an aperture, only set the
* aperture in the AGP bridge. * aperture in the AGP bridge, or set too small aperture.
*
* If all fails map the aperture over some low memory. This is cheaper than * If all fails map the aperture over some low memory. This is cheaper than
* doing bounce buffering. The memory is lost. This is done at early boot * doing bounce buffering. The memory is lost. This is done at early boot
* because only the bootmem allocator can allocate 32+MB. * because only the bootmem allocator can allocate 32+MB.