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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 /include/qemu/osdep.h
parenta800cd5c38ba4ac20fe9ca68a6dee408f2d5b11f (diff)
downloadfocaccia-qemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.tar.gz
focaccia-qemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.zip
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>
Diffstat (limited to 'include/qemu/osdep.h')
-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 ab2d5d9d31..861d84b4e4 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