On Tue, Mar 27, 2012 at 12:42:19AM -0400, Brian Gerst wrote: > > I did only very limited profiling of the 32-bit case, but it's really > > just four cheap ALU instructions there and didn't really show up at > > all in the limited profiles I did. And at least I checked that the > > code worked. I have to say that the advantage of "vectorizing" this > > code is obviously much less if you can only do 4-byte "vectors", so I > > didn't actually time whether the patch *improves* anything on x86-32. > > > > This patch is causing my system (x86-64, Fedora 16) to fail to boot > when DEBUG_PAGEALLOC=n. No oops, but these error messages were in the > log for the bad kernel: I saw this too, it was fixed by f132c5be05e407a99cf582347a2ae0120acd3ad7 for me. Does your kernel have that commit ? Dave -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
