aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDr. David Alan Gilbert <dgilbert@redhat.com>2015-11-05 18:10:37 +0000
committerJuan Quintela <quintela@redhat.com>2015-11-10 14:51:48 +0100
commitebf811500bc8dffa906ebd4c52b96f7620d7bf8e (patch)
tree4bfdf1dc7258a5f241616b30c6552f531b51eb6f
parenta800cd5c38ba4ac20fe9ca68a6dee408f2d5b11f (diff)
downloadqemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.zip
qemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.tar.gz
qemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.tar.bz2
Add QEMU_MADV_NOHUGEPAGE
Add QEMU_MADV_NOHUGEPAGE as an OS-independent version of MADV_NOHUGEPAGE. We include sys/mman.h before making the test to ensure that we pick up the system defines. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
-rw-r--r--include/qemu/osdep.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index ab2d5d9..861d84b 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -139,6 +139,8 @@ void qemu_anon_ram_free(void *ptr, size_t size);
#if defined(CONFIG_MADVISE)
+#include <sys/mman.h>
+
#define QEMU_MADV_WILLNEED MADV_WILLNEED
#define QEMU_MADV_DONTNEED MADV_DONTNEED
#ifdef MADV_DONTFORK
@@ -171,6 +173,11 @@ void qemu_anon_ram_free(void *ptr, size_t size);
#else
#define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
#endif
+#ifdef MADV_NOHUGEPAGE
+#define QEMU_MADV_NOHUGEPAGE MADV_NOHUGEPAGE
+#else
+#define QEMU_MADV_NOHUGEPAGE QEMU_MADV_INVALID
+#endif
#elif defined(CONFIG_POSIX_MADVISE)
@@ -182,6 +189,7 @@ void qemu_anon_ram_free(void *ptr, size_t size);
#define QEMU_MADV_DODUMP QEMU_MADV_INVALID
#define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
#define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
+#define QEMU_MADV_NOHUGEPAGE QEMU_MADV_INVALID
#else /* no-op */
@@ -193,6 +201,7 @@ void qemu_anon_ram_free(void *ptr, size_t size);
#define QEMU_MADV_DODUMP QEMU_MADV_INVALID
#define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
#define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
+#define QEMU_MADV_NOHUGEPAGE QEMU_MADV_INVALID
#endif