From: Mel Gorman Date: Wed, 5 Dec 2012 09:32:56 +0000 (+0000) Subject: mm: numa: Add THP migration for the NUMA working set scanning fault case build fix X-Git-Tag: v3.8-rc1~92^2~4 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=220018d388b8ab1fca1c5f0c6474bab47ad2c9c0;p=pandora-kernel.git mm: numa: Add THP migration for the NUMA working set scanning fault case build fix Commit "Add THP migration for the NUMA working set scanning fault case" breaks the build because HPAGE_PMD_SHIFT and HPAGE_PMD_MASK defined to explode without CONFIG_TRANSPARENT_HUGEPAGE: mm/migrate.c: In function 'migrate_misplaced_transhuge_page_put': mm/migrate.c:1549: error: call to '__build_bug_failed' declared with attribute error: BUILD_BUG failed mm/migrate.c:1564: error: call to '__build_bug_failed' declared with attribute error: BUILD_BUG failed mm/migrate.c:1566: error: call to '__build_bug_failed' declared with attribute error: BUILD_BUG failed mm/migrate.c:1573: error: call to '__build_bug_failed' declared with attribute error: BUILD_BUG failed mm/migrate.c:1606: error: call to '__build_bug_failed' declared with attribute error: BUILD_BUG failed mm/migrate.c:1648: error: call to '__build_bug_failed' declared with attribute error: BUILD_BUG failed CONFIG_NUMA_BALANCING allows compilation without enabling transparent hugepages, so define the dummy function for such a configuration and only define migrate_misplaced_transhuge_page_put() when transparent hugepages are enabled. Signed-off-by: David Rientjes Signed-off-by: Mel Gorman --- Reading git-diff-tree failed