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    SubjectRe: page fault scalability patch final : i386 tested, x86_64 support added
    Christoph Lameter <> wrote:
    > > As I said - for both these applications we need a new type which is
    > > atomic64_t on 64-bit and atomic_t on 32-bit.
    > That is simply a new definition in include/asm-*/atomic.h
    > so
    > #define atomic_long atomic64_t
    > on 64 bit
    > and
    > #define atomic_long atomic_t
    > on 32bit?

    No, a whole host of wrappers are needed - atomic_long_inc/dec/set/read,
    etc. For page->_count we'll also need the fancier functions such as

    As I said: let's address this later on. It's probably not an issue for RSS
    until 4-level pagetables come along.
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      Last update: 2005-03-22 14:05    [W:0.020 / U:21.896 seconds]
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