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authorTony Luck <tony.luck@intel.com>2009-10-07 19:54:19 +0200
committerTony Luck <tony.luck@intel.com>2009-10-07 19:54:19 +0200
commit9d40ee200a527ce08ab8c793ba8ae3e242edbb0e (patch)
tree189b7dc9cde0ceb791bb3bdd1a1d9a22aee00336 /arch/m68k
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6 (diff)
downloadlinux-9d40ee200a527ce08ab8c793ba8ae3e242edbb0e.tar.xz
linux-9d40ee200a527ce08ab8c793ba8ae3e242edbb0e.zip
[IA64] Squeeze ticket locks back into 4 bytes.
Linus pointed out that other people have spent large amounts of time and effort to optimize the layout of frequently used structures. Often these have embedded locks, and the assumption is that a lock takes 4 bytes. Linus also pointed out how to work with the limited options for atomic instructions on Itanium. Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/m68k')
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