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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2015-11-05 18:10:37 +0000 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2015-11-10 14:51:48 +0100 |
| commit | ebf811500bc8dffa906ebd4c52b96f7620d7bf8e (patch) | |
| tree | 4bfdf1dc7258a5f241616b30c6552f531b51eb6f /include/qemu | |
| parent | a800cd5c38ba4ac20fe9ca68a6dee408f2d5b11f (diff) | |
| download | hqemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.zip hqemu-ebf811500bc8dffa906ebd4c52b96f7620d7bf8e.tar.gz | |
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')
| -rw-r--r-- | include/qemu/osdep.h | 9 |
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 |
