From 293ff1da06748ed4c69be6ece262d42e562e7298 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Fri, 8 Jan 2016 07:36:19 +0000 Subject: [PATCH 31/32] vma03: fix page size offset as per page size alignment the offset the param of mmap2() doesn't align the page size, but, this param allow must be a multiple of the page size as returned by sysconf(_SC_PAGE_SIZE).meanwhile offset * 4096 must be a multiple of the system page size, so modify the input param of offset pgoff = (ULONG_MAX - 1)&(~((pgsz-1)>>12)); Signed-off-by: Chuang Dong Signed-off-by: Khem Raj --- testcases/kernel/mem/vma/vma03.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/testcases/kernel/mem/vma/vma03.c b/testcases/kernel/mem/vma/vma03.c index ad8a7b4..a539233 100644 --- a/testcases/kernel/mem/vma/vma03.c +++ b/testcases/kernel/mem/vma/vma03.c @@ -85,7 +85,7 @@ int main(int argc, char *argv[]) if (fd == -1) tst_brkm(TBROK | TERRNO, NULL, "open %s", TESTFILE); - pgoff = ULONG_MAX - 1; + pgoff = (ULONG_MAX - 1)&(~((pgsz-1)>>12)); map = mmap2(NULL, pgsz, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, pgoff); if (map == MAP_FAILED) -- 2.7.0