diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-06-28 22:12:36 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-21 14:44:34 -0400 |
| commit | a3118beb6a8cbe77ae3342125d920205871b0717 (patch) | |
| tree | 91359522a163cda7c769c49a882aa7b901fc1d38 /arch/x86/xen/p2m.c | |
| parent | 28a33cbc24e4256c143dce96c7d93bf423229f92 (diff) | |
xen/p2m: Fix the comment describing the P2M tree.
It mixed up the p2m_mid_missing with p2m_missing. Also
remove some extra spaces.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/xen/p2m.c')
| -rw-r--r-- | arch/x86/xen/p2m.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 64effdc6da9..e4adbfbdfad 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -22,7 +22,7 @@ * * P2M_PER_PAGE depends on the architecture, as a mfn is always * unsigned long (8 bytes on 64-bit, 4 bytes on 32), leading to - * 512 and 1024 entries respectively. + * 512 and 1024 entries respectively. * * In short, these structures contain the Machine Frame Number (MFN) of the PFN. * @@ -139,11 +139,11 @@ * / | ~0, ~0, .... | * | \---------------/ * | - * p2m_missing p2m_missing - * /------------------\ /------------\ - * | [p2m_mid_missing]+---->| ~0, ~0, ~0 | - * | [p2m_mid_missing]+---->| ..., ~0 | - * \------------------/ \------------/ + * p2m_mid_missing p2m_missing + * /-----------------\ /------------\ + * | [p2m_missing] +---->| ~0, ~0, ~0 | + * | [p2m_missing] +---->| ..., ~0 | + * \-----------------/ \------------/ * * where ~0 is INVALID_P2M_ENTRY. IDENTITY is (PFN | IDENTITY_BIT) */ @@ -423,7 +423,7 @@ static void free_p2m_page(void *p) free_page((unsigned long)p); } -/* +/* * Fully allocate the p2m structure for a given pfn. We need to check * that both the top and mid levels are allocated, and make sure the * parallel mfn tree is kept in sync. We may race with other cpus, so |