From: Heiko Carstens Date: Thu, 14 Mar 2013 15:46:05 +0000 (+0100) Subject: s390/mm: speedup storage key initialization X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~146^2~44 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7f8d7e51d3c31426ee006c38d5b0ae3c9b8733e;p=pandora-kernel.git s390/mm: speedup storage key initialization Use sske with multiple block control to initialize storage keys within a 1 MB frame at once. It turned out that the sske with mb=1 is an order of magnitude faster than pfmf. This is only an issue for very large systems (several 100GB) where storage key initialization could last more than a minute. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- Reading git-diff-tree failed