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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 19:39:15 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 19:39:15 -0400
commiteea3a00264cf243a28e4331566ce67b86059339d (patch)
tree487f16389e0dfa32e9caa7604d1274a7dcda8f04 /tools/testing/selftests/vm/hugetlbfstest.c
parente7c82412433a8039616c7314533a0a1c025d99bf (diff)
parente693d73c20ffdb06840c9378f367bad849ac0d5d (diff)
Merge branch 'akpm' (patches from Andrew)
Merge second patchbomb from Andrew Morton: - the rest of MM - various misc bits - add ability to run /sbin/reboot at reboot time - printk/vsprintf changes - fiddle with seq_printf() return value * akpm: (114 commits) parisc: remove use of seq_printf return value lru_cache: remove use of seq_printf return value tracing: remove use of seq_printf return value cgroup: remove use of seq_printf return value proc: remove use of seq_printf return value s390: remove use of seq_printf return value cris fasttimer: remove use of seq_printf return value cris: remove use of seq_printf return value openrisc: remove use of seq_printf return value ARM: plat-pxa: remove use of seq_printf return value nios2: cpuinfo: remove use of seq_printf return value microblaze: mb: remove use of seq_printf return value ipc: remove use of seq_printf return value rtc: remove use of seq_printf return value power: wakeup: remove use of seq_printf return value x86: mtrr: if: remove use of seq_printf return value linux/bitmap.h: improve BITMAP_{LAST,FIRST}_WORD_MASK MAINTAINERS: CREDITS: remove Stefano Brivio from B43 .mailmap: add Ricardo Ribalda CREDITS: add Ricardo Ribalda Delgado ...
Diffstat (limited to 'tools/testing/selftests/vm/hugetlbfstest.c')
-rw-r--r--tools/testing/selftests/vm/hugetlbfstest.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/testing/selftests/vm/hugetlbfstest.c b/tools/testing/selftests/vm/hugetlbfstest.c
index ea40ff8c2391..02e1072ec187 100644
--- a/tools/testing/selftests/vm/hugetlbfstest.c
+++ b/tools/testing/selftests/vm/hugetlbfstest.c
@@ -34,6 +34,7 @@ static void do_mmap(int fd, int extra_flags, int unmap)
34 int *p; 34 int *p;
35 int flags = MAP_PRIVATE | MAP_POPULATE | extra_flags; 35 int flags = MAP_PRIVATE | MAP_POPULATE | extra_flags;
36 u64 before, after; 36 u64 before, after;
37 int ret;
37 38
38 before = read_rss(); 39 before = read_rss();
39 p = mmap(NULL, length, PROT_READ | PROT_WRITE, flags, fd, 0); 40 p = mmap(NULL, length, PROT_READ | PROT_WRITE, flags, fd, 0);
@@ -44,7 +45,8 @@ static void do_mmap(int fd, int extra_flags, int unmap)
44 !"rss didn't grow as expected"); 45 !"rss didn't grow as expected");
45 if (!unmap) 46 if (!unmap)
46 return; 47 return;
47 munmap(p, length); 48 ret = munmap(p, length);
49 assert(!ret || !"munmap returned an unexpected error");
48 after = read_rss(); 50 after = read_rss();
49 assert(llabs(after - before) < 0x40000 || 51 assert(llabs(after - before) < 0x40000 ||
50 !"rss didn't shrink as expected"); 52 !"rss didn't shrink as expected");