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    Subject[tip:x86/apic] x86, apic: Use PAGE_SIZE instead of numbers
    Commit-ID:  46dc281b1bb02527195fe2ad50a3af6d7f7f7325
    Gitweb: http://git.kernel.org/tip/46dc281b1bb02527195fe2ad50a3af6d7f7f7325
    Author: Cyrill Gorcunov <gorcunov@openvz.org>
    AuthorDate: Sun, 8 Nov 2009 18:53:56 +0300
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Sun, 8 Nov 2009 17:06:22 +0100

    x86, apic: Use PAGE_SIZE instead of numbers

    The whole page is reserved for IO-APIC fixmap
    due to non-cacheable requirement. So lets note
    this explicitly instead of playing with numbers.

    Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
    Cc: Yinghai Lu <yinghai@kernel.org>
    Cc: Maciej W. Rozycki <macro@linux-mips.org>
    LKML-Reference: <20091108155356.GB25940@lenovo>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    arch/x86/kernel/apic/io_apic.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
    index 31e9db3..9ee1c16 100644
    --- a/arch/x86/kernel/apic/io_apic.c
    +++ b/arch/x86/kernel/apic/io_apic.c
    @@ -4111,7 +4111,7 @@ fake_ioapic_page:
    idx++;

    ioapic_res->start = ioapic_phys;
    - ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
    + ioapic_res->end = ioapic_phys + PAGE_SIZE-1;
    ioapic_res++;
    }
    }

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