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authorChristoph Lameter <clameter@sgi.com>2006-03-28 22:54:38 -0800
committerTony Luck <tony.luck@intel.com>2006-04-07 23:08:16 -0700
commit0ffe984917b9cd6ecc19ffbc06f35869d8c18df8 (patch)
tree49b54ea585dcd657083c8b755726820b002ae75a /include
parent8cab7ccccbdd9fe3cf6b3400d5a88ecb683a5b1b (diff)
[IA64] Prefetch mmap_sem in ia64_do_page_fault()
Take a hint from an x86_64 optimization by Arjan van de Ven and use it for ia64. See a9ba9a3b3897561d01e04cd21433746df46548c0 Prefetch the mmap_sem, which is critical for the performance of the page fault handler. Note: mm may be NULL but I guess that is safe. See 458f935527372499b714bf4f8e646a68bb0f52e3 Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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