[src/trunk]: src/external/bsd/jemalloc/dist/src Enforce alignment also if the...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/983842391249
branches:  trunk
changeset: 456202:983842391249
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Apr 26 23:57:59 2019 +0000

description:
Enforce alignment also if the compiled in PAGE_SIZE is bigger than
getpagesize()

diffstat:

 external/bsd/jemalloc/dist/src/pages.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (16 lines):

diff -r d087cb5dcfee -r 983842391249 external/bsd/jemalloc/dist/src/pages.c
--- a/external/bsd/jemalloc/dist/src/pages.c    Fri Apr 26 23:57:00 2019 +0000
+++ b/external/bsd/jemalloc/dist/src/pages.c    Fri Apr 26 23:57:59 2019 +0000
@@ -79,9 +79,10 @@
        {
                int flags = mmap_flags;
 #ifdef MAP_ALIGNED
-               int a = ilog2(alignment);
-               if (a > LG_PAGE && a < ilog2(sizeof(void *)))
+               if (alignment > os_page || PAGE > os_page) {
+                       int a = ilog2(MAX(alignment, PAGE));
                        flags |= MAP_ALIGNED(a);
+               }
 #endif
                int prot = *commit ? PAGES_PROT_COMMIT : PAGES_PROT_DECOMMIT;