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authorRichard Henderson <rth@twiddle.net>2016-08-29 11:46:14 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2016-09-13 19:09:45 +0200
commita1febc4950f2c6232c002f401d7cd409f6fa6a88 (patch)
tree7ebdb3326826537aa8a343d2af3e345f7c84706f /migration
parent8c70c1b0c79cdfe9cc6e58c793b2b4e41aabede8 (diff)
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cutils: Export only buffer_is_zero
Since the two users don't make use of the returned offset, beyond ensuring that the entire buffer is zero, consider the can_use_buffer_find_nonzero_offset and buffer_find_nonzero_offset functions internal. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-Id: <1472496380-19706-4-git-send-email-rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/ram.c2
-rw-r--r--migration/rdma.c5
2 files changed, 2 insertions, 5 deletions
diff --git a/migration/ram.c b/migration/ram.c
index a3d70c4..a6e1c63 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -73,7 +73,7 @@ static const uint8_t ZERO_TARGET_PAGE[TARGET_PAGE_SIZE];
static inline bool is_zero_range(uint8_t *p, uint64_t size)
{
- return buffer_find_nonzero_offset(p, size) == size;
+ return buffer_is_zero(p, size);
}
/* struct contains XBZRLE cache and a static page
diff --git a/migration/rdma.c b/migration/rdma.c
index 5110ec8..88bdb64 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -1934,10 +1934,7 @@ retry:
* memset() + madvise() the entire chunk without RDMA.
*/
- if (can_use_buffer_find_nonzero_offset((void *)(uintptr_t)sge.addr,
- length)
- && buffer_find_nonzero_offset((void *)(uintptr_t)sge.addr,
- length) == length) {
+ if (buffer_is_zero((void *)(uintptr_t)sge.addr, length)) {
RDMACompress comp = {
.offset = current_addr,
.value = 0,