Currently, morecore is enabled, if HUGETLB_MORECORE is set at all in the
environment, even if its value is "no". That is counterintuitive, as
none of the other environment variables work that way. Make
HUGETLB_MORECORE act like HUGETLB_ELFMAP.
Signed-off-by: Nishanth Aravamudan <[EMAIL PROTECTED]>
diff --git a/morecore.c b/morecore.c
index 9f13316..36590f8 100644
--- a/morecore.c
+++ b/morecore.c
@@ -26,6 +26,7 @@
#include <sys/mman.h>
#include <errno.h>
#include <dlfcn.h>
+#include <string.h>
#include "hugetlbfs.h"
@@ -119,6 +120,11 @@ static void __attribute__((constructor))
env = getenv("HUGETLB_MORECORE");
if (! env)
return;
+ if (strcasecmp(env, "no") == 0) {
+ DEBUG("HUGETLB_MORECORE=%s, not setting up morecore\n",
+ env);
+ return;
+ }
blocksize = gethugepagesize();
if (! blocksize) {
--
Nishanth Aravamudan <[EMAIL PROTECTED]>
IBM Linux Technology Center
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