diff options
| author |   Paul Mackerras <paulus@samba.org> | 2005-10-31 13:37:12 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-31 13:37:12 +1100 |
| commit | 23fd07750a789a66fe88cf173d52a18f1a387da4 (patch) | |
| tree | 06fdd6df35fdb835abdaa9b754d62f6b84b97250 /arch/i386/kernel/setup.c | |
| parent | ppc: remove duplicate export of cur_cpu_spec (diff) | |
| parent | Merge master.kernel.org:/home/rmk/linux-2.6-serial (diff) | |
| download | linux-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.xz linux-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.zip | |
Merge ../linux-2.6 by hand
Diffstat (limited to 'arch/i386/kernel/setup.c')
| -rw-r--r-- | arch/i386/kernel/setup.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 9b8c8a19824d..b48ac635f3c1 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -389,14 +389,24 @@ static void __init limit_regions(unsigned long long size) } } for (i = 0; i < e820.nr_map; i++) { - if (e820.map[i].type == E820_RAM) { - current_addr = e820.map[i].addr + e820.map[i].size; - if (current_addr >= size) { - e820.map[i].size -= current_addr-size; - e820.nr_map = i + 1; - return; - } + current_addr = e820.map[i].addr + e820.map[i].size; + if (current_addr < size) + continue; + + if (e820.map[i].type != E820_RAM) + continue; + + if (e820.map[i].addr >= size) { + /* + * This region starts past the end of the + * requested size, skip it completely. + */ + e820.nr_map = i; + } else { + e820.nr_map = i + 1; + e820.map[i].size -= current_addr - size; } + return; } } |