Re: [PATCH] [POWERPC] Fix handling of memreserve if the range lands in highmem
From: Scott Wood <hidden>
Date: 2008-01-09 18:54:03
On Wed, Jan 09, 2008 at 11:28:30AM -0600, Kumar Gala wrote:
/* reserve the sections we're already using */
- for (i = 0; i < lmb.reserved.cnt; i++)
- reserve_bootmem(lmb.reserved.region[i].base,
- lmb_size_bytes(&lmb.reserved, i));
+ for (i = 0; i < lmb.reserved.cnt; i++) {
+ unsigned long addr = lmb.reserved.region[i].base +
+ lmb_size_bytes(&lmb.reserved, i) - 1;
+ if (addr < total_lowmem)
+ reserve_bootmem(lmb.reserved.region[i].base,
+ lmb_size_bytes(&lmb.reserved, i));
+ }It looks like if the reserved area straddles the highmem boundary, it'll only reserve the highmem portion. -Scott