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authorDave Barach <dave@barachs.net>2015-12-12 10:37:00 -0500
committerDave Barach <dave@barachs.net>2015-12-12 10:37:21 -0500
commit95bb883a62b5b4da53c5082ae93ccc3bfd867467 (patch)
tree701c3acf73700169009c90a36b261fd02f52a438 /svm/svm.c
parentcb9cadad578297ffd78fa8a33670bdf1ab669e7e (diff)
Handle large user-mode page sizes, tested to 64k
Change-Id: Iccabc1be6e3a2822268c7b60e9c4e8250677c2ac Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'svm/svm.c')
-rw-r--r--svm/svm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/svm/svm.c b/svm/svm.c
index c629f932008..4d45b29785d 100644
--- a/svm/svm.c
+++ b/svm/svm.c
@@ -632,7 +632,10 @@ static void svm_region_init_internal (char *root_path)
atexit(svm_mutex_cleanup);
/* Randomize the shared-VM base at init time */
- randomize_baseva = (ticks & 15) * 4096;
+ if (MMAP_PAGESIZE <= (4<<10))
+ randomize_baseva = (ticks & 15) * MMAP_PAGESIZE;
+ else
+ randomize_baseva = (ticks & 3) * MMAP_PAGESIZE;
vec_validate(a,0);
a->root_path = root_path;