We already have a function buffer_is_zero() in util/cutils.c
Signed-off-by: Amos Kong <ak...@redhat.com>
---
arch_init.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 60c975d..342e5dc 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -152,11 +152,6 @@ int qemu_read_default_config_files(bool userconfig)
return 0;
}
-static inline bool is_zero_range(uint8_t *p, uint64_t size)
-{
- return buffer_find_nonzero_offset(p, size) == size;
-}
-
/* struct contains XBZRLE cache and a static page
used by the compression */
static struct {
@@ -587,7 +582,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage)
acct_info.dup_pages++;
}
}
- } else if (is_zero_range(p, TARGET_PAGE_SIZE)) {
+ } else if (buffer_is_zero(p, TARGET_PAGE_SIZE)) {
acct_info.dup_pages++;
bytes_sent = save_block_hdr(f, block, offset, cont,
RAM_SAVE_FLAG_COMPRESS);
@@ -983,7 +978,7 @@ static inline void *host_from_stream_offset(QEMUFile *f,
*/
void ram_handle_compressed(void *host, uint8_t ch, uint64_t size)
{
- if (ch != 0 || !is_zero_range(host, size)) {
+ if (ch != 0 || !buffer_is_zero(host, size)) {
memset(host, ch, size);
}
}
--
1.9.0
