diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
commit | 328198acb7407301ddf6005c0fa1e04bd0c539c8 (patch) | |
tree | 9936112bd195bfbaacc9a75f2ea7ff757a2c0546 /arch/i386/kernel/setup.c | |
parent | 9e0cb06b17be7e562cbdaba2768649f025826dc6 (diff) | |
parent | fecb4a0c87c2bcaee1f3cf800126eef752a07ed3 (diff) |
Merge branch 'master'
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 9b8c8a19824..b48ac635f3c 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; } } |