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| author | Ingo Molnar <mingo@elte.hu> | 2011-10-04 11:08:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-10-04 11:09:08 +0200 |
| commit | 22f92bacbeea24b20e447444c28e7cad9f1ac3f8 (patch) | |
| tree | 5c3f2346804a186aa2d954f078fd2f4d44bcc26e /arch/x86/xen/setup.c | |
| parent | 557ab425429a5123d37f412ce3e6d6137cb621f8 (diff) | |
| parent | 0f86267b79bc6e357b8606077c7f70239045ea9c (diff) | |
Merge branch 'linus' into sched/core
Merge reason: pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen/setup.c')
| -rw-r--r-- | arch/x86/xen/setup.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index c3b8d440873c..46d6d21dbdbe 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -306,10 +306,12 @@ char * __init xen_memory_setup(void) sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); extra_limit = xen_get_max_pages(); - if (extra_limit >= max_pfn) - extra_pages = extra_limit - max_pfn; - else - extra_pages = 0; + if (max_pfn + extra_pages > extra_limit) { + if (extra_limit > max_pfn) + extra_pages = extra_limit - max_pfn; + else + extra_pages = 0; + } extra_pages += xen_return_unused_memory(xen_start_info->nr_pages, &e820); |