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From 2a63852ac9358cdddce9944aade1d443f686246a Mon Sep 17 00:00:00 2001
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Message-Id: <2a63852ac9358cdddce9944aade1d443f686246a.1566225007.git.aquini@redhat.com>
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In-Reply-To: <d42f467a923dfc09309acb7a83b42e3285fbd8f4.1566225007.git.aquini@redhat.com>
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References: <d42f467a923dfc09309acb7a83b42e3285fbd8f4.1566225007.git.aquini@redhat.com>
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From: Sandipan Das <sandipan@linux.ibm.com>
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Date: Thu, 15 Aug 2019 13:08:32 +0530
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Subject: [RHEL7 PATCH 05/31] tests: truncate-above-4GB: Skip if truncation
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point is not aligned
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Attempting ftruncate() on a hugetlbfs file descriptor requires
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the truncation point to be aligned to the huge page size. So,
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this test is not applicable for huge page sizes greater that
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are either greater than or not a factor of the truncation point.
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Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
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Signed-off-by: Eric B Munson <emunson@mgebm.net>
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Signed-off-by: Rafael Aquini <aquini@redhat.com>
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---
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tests/truncate_above_4GB.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/tests/truncate_above_4GB.c b/tests/truncate_above_4GB.c
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index 4c427fc..2e29931 100644
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--- a/tests/truncate_above_4GB.c
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+++ b/tests/truncate_above_4GB.c
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@@ -79,6 +79,13 @@ int main(int argc, char *argv[])
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page_size = getpagesize();
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hpage_size = check_hugepagesize();
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+ truncate_point = FOURGIG;
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+
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+ if (hpage_size > truncate_point)
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+ CONFIG("Huge page size is too large");
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+
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+ if (truncate_point % hpage_size > 0)
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+ CONFIG("Truncation point is not aligned to huge page size");
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check_free_huge_pages(3);
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@@ -86,7 +93,6 @@ int main(int argc, char *argv[])
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if (fd < 0)
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FAIL("hugetlbfs_unlinked_fd()");
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- truncate_point = FOURGIG;
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buggy_offset = truncate_point / (hpage_size / page_size);
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buggy_offset = ALIGN(buggy_offset, hpage_size);
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--
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1.8.3.1
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