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memory: move preallocation code out of exec.c

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So that backends can use it.

Since we need the page size for efficiency, move code to compute it
out of translate-all.c and into util/oslib-win32.c.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-05-14 17:43:21 +08:00 • committed by Michael S. Tsirkin
parent e1c57ab86f
commit 38183310be
6 changed files with 97 additions and 50 deletions
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2
include/qemu/osdep.h
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@ -251,4 +251,6 @@ void qemu_init_auxval(char **envp);
void qemu_set_tty_echo(int fd, bool echo);
void os_mem_prealloc(int fd, char *area, size_t sz);
#endif

2
include/sysemu/os-win32.h
View file

@ -89,6 +89,8 @@ static inline void os_setup_post(void) {}
void os_set_line_buffering(void);
static inline void os_set_proc_name(const char *dummy) {}
size_t getpagesize(void);
#if !defined(EPROTONOSUPPORT)
# define EPROTONOSUPPORT EINVAL
#endif