1From 0f548286848c70aa325c6748d80e8651389b4938 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Thu, 21 Jun 2018 19:32:59 -0700
4Subject: [PATCH] Mark glibc specific code so
5
6Signed-off-by: Khem Raj <raj.khem@gmail.com>
7
8---
9Upstream-Status: Pending
10
11 morecore.c | 3 ++-
12 1 file changed, 2 insertions(+), 1 deletion(-)
13
14diff --git a/morecore.c b/morecore.c
15index 0eef782..d48509c 100644
16--- a/morecore.c
17+++ b/morecore.c
18@@ -364,6 +364,7 @@ void hugetlbfs_setup_morecore(void)
19
20 	INFO("setup_morecore(): heapaddr = 0x%lx\n", heapaddr);
21
22+#ifdef __GLIBC__
23 	heaptop = heapbase = (void *)heapaddr;
24 	if (__hugetlb_opts.thp_morecore)
25 		__morecore = &thp_morecore;
26@@ -371,7 +372,6 @@ void hugetlbfs_setup_morecore(void)
27 		__morecore = &hugetlbfs_morecore;
28
29 	/* Set some allocator options more appropriate for hugepages */
30-
31 	if (__hugetlb_opts.shrink_ok)
32 		mallopt(M_TRIM_THRESHOLD, hpage_size + hpage_size / 2);
33 	else
34@@ -381,4 +381,5 @@ void hugetlbfs_setup_morecore(void)
35 	 * This doesn't appear to prohibit malloc() from falling back
36 	 * to mmap() if we run out of hugepages. */
37 	mallopt(M_MMAP_MAX, 0);
38+#endif
39 }
40