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| author | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 12:22:15 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 12:22:59 +0400 |
| commit | 07f9479a40cc778bc1462ada11f95b01360ae4ff (patch) | |
| tree | 0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /arch/x86/xen/p2m.c | |
| parent | 9d5e6bdb3013acfb311ab407eeca0b6a6a3dedbf (diff) | |
| parent | cd2e49e90f1cae7726c9a2c54488d881d7f1cd1c (diff) | |
| download | linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.tar.xz | |
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
Diffstat (limited to 'arch/x86/xen/p2m.c')
| -rw-r--r-- | arch/x86/xen/p2m.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 215a3ce61068..141eb0de8b06 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -497,7 +497,7 @@ static bool alloc_p2m(unsigned long pfn) return true; } -bool __early_alloc_p2m(unsigned long pfn) +static bool __init __early_alloc_p2m(unsigned long pfn) { unsigned topidx, mididx, idx; @@ -530,7 +530,7 @@ bool __early_alloc_p2m(unsigned long pfn) } return idx != 0; } -unsigned long set_phys_range_identity(unsigned long pfn_s, +unsigned long __init set_phys_range_identity(unsigned long pfn_s, unsigned long pfn_e) { unsigned long pfn; @@ -671,7 +671,9 @@ int m2p_add_override(unsigned long mfn, struct page *page) page->private = mfn; page->index = pfn_to_mfn(pfn); - __set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)); + if (unlikely(!set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)))) + return -ENOMEM; + if (!PageHighMem(page)) /* Just zap old mapping for now */ pte_clear(&init_mm, address, ptep); @@ -709,7 +711,7 @@ int m2p_remove_override(struct page *page) spin_lock_irqsave(&m2p_override_lock, flags); list_del(&page->lru); spin_unlock_irqrestore(&m2p_override_lock, flags); - __set_phys_to_machine(pfn, page->index); + set_phys_to_machine(pfn, page->index); if (!PageHighMem(page)) set_pte_at(&init_mm, address, ptep, |