On Sun, Mar 08, 2015 at 08:13:26PM +1100, Benjamin Herrenschmidt wrote: > On Sat, 2015-03-07 at 19:14 +0800, Kevin Hao wrote: > > All the cache line size of the current book3e 64bit SoCs are 64 bytes. > > So we should use this size to align the member of paca_struct. > > With this change we save 192 bytes. Also change it to __aligned(size) > > since it is preferred over __attribute__((aligned(size))). > > Why should we favor the book3e CPUs over the book3s ones ?
Why do you think so? This only change the align size of the paca_struct's members which are private to book3e CPUs, and should not have any effect to book3s ones. Did I miss something? Thanks, Kevin
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