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libhugetlbfs/SOURCES/0012-tests-brk-near-huge-Fi...

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From 1329c4f5f4d201724d379d43dc5d516d1c9356dc Mon Sep 17 00:00:00 2001
Message-Id: <1329c4f5f4d201724d379d43dc5d516d1c9356dc.1566225007.git.aquini@redhat.com>
In-Reply-To: <d42f467a923dfc09309acb7a83b42e3285fbd8f4.1566225007.git.aquini@redhat.com>
References: <d42f467a923dfc09309acb7a83b42e3285fbd8f4.1566225007.git.aquini@redhat.com>
From: Sandipan Das <sandipan@linux.ibm.com>
Date: Thu, 15 Aug 2019 13:08:39 +0530
Subject: [RHEL7 PATCH 12/31] tests: brk-near-huge: Fix next chunk computation
for powerpc64
For powerpc64, the use of slices applies only to Hash MMU.
Hence, when determining the next chunk size, ensure that
the address is aligned to the slice size for Hash MMU and
the huge page size otherwise.
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Eric B Munson <emunson@mgebm.net>
Signed-off-by: Rafael Aquini <aquini@redhat.com>
---
tests/brk_near_huge.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tests/brk_near_huge.c b/tests/brk_near_huge.c
index f6d1e07..c9662f4 100644
--- a/tests/brk_near_huge.c
+++ b/tests/brk_near_huge.c
@@ -40,6 +40,9 @@
#ifdef __powerpc64__
void *next_chunk(void *addr)
{
+ if (!arch_has_slice_support())
+ return PALIGN(addr, gethugepagesize());
+
if ((unsigned long)addr < 0x100000000UL)
/* 256M segments below 4G */
return PALIGN(addr, 0x10000000UL);
--
1.8.3.1