On Thu, 19 Nov 2009, David Gibson wrote: > Currently, run_tests.py attempts to run each test case for each > available page size and word size. It does this by setting the > HUGETLB_DEFAULT_PAGE_SIZE environment variable to instruct the > testcase's instance of libhugetlbfs to use the specified pagesize. > > However some of the testcases use shmget() with the SHM_HUGETLB flag > to obtain hugepage backed memory, rather than mmap() or the > libhugetlbfs interfaces. This means of obtaining hugepage memory has > no way to specify the pagesize, and will always use the system default > huge page size. > > Therefore, running the test multiple times when it won't actually use > a different pagesize is silly. Furthermore in some of the cases, > using the non-default sizes results in test failures (because we don't > allocate as much memory as we expect) which have to be suppressed with > a wrapper script which turns them into expected failures. > > This patch, therefore, alters run_tests.py to run the shm only tests > with only the default page size. This is accomplished with a new > helper function 'do_shm_test', which also folds in the setting and > restoring of the shmmax limit for added convenience. The no longer > necessary wrappers for shm-fork and shm-getraw are removed. > > Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
Applied, thanks. Eric
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