From: Will Deacon Date: Fri, 14 Nov 2014 10:37:34 +0000 (+0100) Subject: ARM: 8203/1: mm: try to re-use old ASID assignments following a rollover X-Git-Tag: omap-for-v3.20/drop-legacy-3517~102^2~1^2~22 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a391263cd84e6ae2da26a54383f3abf80c18d9df;p=pandora-kernel.git ARM: 8203/1: mm: try to re-use old ASID assignments following a rollover Rather than unconditionally allocating a fresh ASID to an mm from an older generation, attempt to re-use the old assignment where possible. This can bring performance benefits on systems where the ASID is used to tag things other than the TLB (e.g. branch prediction resources). Acked-by: Catalin Marinas Signed-off-by: Will Deacon Signed-off-by: Russell King --- Reading git-diff-tree failed