From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54032) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZgqQs-00062j-67 for qemu-devel@nongnu.org; Tue, 29 Sep 2015 04:38:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZgqQr-0001w8-Bi for qemu-devel@nongnu.org; Tue, 29 Sep 2015 04:38:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54662) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZgqQr-0001w3-65 for qemu-devel@nongnu.org; Tue, 29 Sep 2015 04:38:41 -0400 From: "Dr. David Alan Gilbert (git)" Date: Tue, 29 Sep 2015 09:37:33 +0100 Message-Id: <1443515898-3594-10-git-send-email-dgilbert@redhat.com> In-Reply-To: <1443515898-3594-1-git-send-email-dgilbert@redhat.com> References: <1443515898-3594-1-git-send-email-dgilbert@redhat.com> Subject: [Qemu-devel] [PATCH v8 09/54] Add QEMU_MADV_NOHUGEPAGE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, quintela@redhat.com, amit.shah@redhat.com Cc: aarcange@redhat.com, pbonzini@redhat.com, liang.z.li@intel.com, luis@cs.umu.se, bharata@linux.vnet.ibm.com From: "Dr. David Alan Gilbert" 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 --- include/qemu/osdep.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index ab3c876..7d471f6 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -135,6 +135,8 @@ void qemu_anon_ram_free(void *ptr, size_t size); #if defined(CONFIG_MADVISE) +#include + #define QEMU_MADV_WILLNEED MADV_WILLNEED #define QEMU_MADV_DONTNEED MADV_DONTNEED #ifdef MADV_DONTFORK @@ -167,6 +169,11 @@ 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) @@ -178,6 +185,7 @@ 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 */ @@ -189,6 +197,7 @@ 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 -- 2.5.0