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| author | Jan Beulich <jbeulich@suse.com> | 2013-01-23 14:04:34 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2013-01-23 14:04:34 +0100 |
| commit | a8d2b06db7826063df9d04be9d6f928bf2189bd0 (patch) | |
| tree | 4c0e6f548c1d54775b69d60e6d9c5f0b550a505e /xen/arch/x86/x86_64/mm.c | |
| parent | a2fd3bc4d44f1fca34fcfcff843b1eb940dc2c9a (diff) | |
| download | xen-a8d2b06db7826063df9d04be9d6f928bf2189bd0.tar.gz xen-a8d2b06db7826063df9d04be9d6f928bf2189bd0.tar.bz2 xen-a8d2b06db7826063df9d04be9d6f928bf2189bd0.zip | |
x86: extend frame table virtual space
... to allow frames for up to 16Tb.
At the same time, add the super page frame table coordinates to the
comment describing the address space layout.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/arch/x86/x86_64/mm.c')
| -rw-r--r-- | xen/arch/x86/x86_64/mm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/arch/x86/x86_64/mm.c b/xen/arch/x86/x86_64/mm.c index 333f57a556..c6e09a4041 100644 --- a/xen/arch/x86/x86_64/mm.c +++ b/xen/arch/x86/x86_64/mm.c @@ -958,7 +958,7 @@ static int extend_frame_table(struct mem_hotadd_info *info) nidx = cidx = pfn_to_pdx(spfn)/PDX_GROUP_COUNT; ASSERT( pfn_to_pdx(epfn) <= (DIRECTMAP_SIZE >> PAGE_SHIFT) && - (pfn_to_pdx(epfn) <= FRAMETABLE_SIZE / sizeof(struct page_info)) ); + pfn_to_pdx(epfn) <= FRAMETABLE_NR ); if ( test_bit(cidx, pdx_group_valid) ) cidx = find_next_zero_bit(pdx_group_valid, eidx, cidx); @@ -1406,7 +1406,7 @@ int mem_hotadd_check(unsigned long spfn, unsigned long epfn) if ( (spfn >= epfn) ) return 0; - if (pfn_to_pdx(epfn) > (FRAMETABLE_SIZE / sizeof(*frame_table))) + if (pfn_to_pdx(epfn) > FRAMETABLE_NR) return 0; if ( (spfn | epfn) & ((1UL << PAGETABLE_ORDER) - 1) ) |