Ahh, my mistake :)
Nick Piggin wrote:
It is actually larger here.
text data bss dec hex filename
970 0 0 970 3ca lib/rwsem-spinlock.o
576 0 0 576 240 kernel/spinlock.o
^^ should be:
35 0 0 35 23 kernel/rwsem.o
=1546
text data bss dec hex filename
1310 0 0 1310 51e lib/rwsem.o
193 0 0 193 c1 kernel/rwsem.o
=1503
Well, it is still larger than the atomic_inc_return variant
after my patch.
--
SUSE Labs, Novell Inc.
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