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| author | Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com> | 2016-10-24 16:26:49 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-10-24 16:26:49 +0100 |
| commit | adb65dec4ba80ac6440aa45ca9bf409392c6da63 (patch) | |
| tree | 9faf57126f900389fe266fd6f7f6caa04d0492ac /migration/ram.c | |
| parent | a3ae21ec3fe036f536dc94cad735931777143103 (diff) | |
| download | qemu-adb65dec4ba80ac6440aa45ca9bf409392c6da63.zip qemu-adb65dec4ba80ac6440aa45ca9bf409392c6da63.tar.gz qemu-adb65dec4ba80ac6440aa45ca9bf409392c6da63.tar.bz2 | |
migration: Remove static allocation of xzblre cache buffer
Allocate xzblre zero page cache buffer dynamically.
Remove dependency on TARGET_PAGE_SIZE to make run-time
page size detection for arm platforms.
Signed-off-by: Vijaya Kumar K <vijayak@cavium.com>
Message-id: 1465808915-4887-2-git-send-email-vijayak@caviumnetworks.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'migration/ram.c')
| -rw-r--r-- | migration/ram.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/migration/ram.c b/migration/ram.c index bc6154f..d032d38 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -69,7 +69,7 @@ static uint64_t bitmap_sync_count; /* 0x80 is reserved in migration.h start with 0x100 next */ #define RAM_SAVE_FLAG_COMPRESS_PAGE 0x100 -static const uint8_t ZERO_TARGET_PAGE[TARGET_PAGE_SIZE]; +static uint8_t *ZERO_TARGET_PAGE; static inline bool is_zero_range(uint8_t *p, uint64_t size) { @@ -1431,6 +1431,7 @@ static void ram_migration_cleanup(void *opaque) cache_fini(XBZRLE.cache); g_free(XBZRLE.encoded_buf); g_free(XBZRLE.current_buf); + g_free(ZERO_TARGET_PAGE); XBZRLE.cache = NULL; XBZRLE.encoded_buf = NULL; XBZRLE.current_buf = NULL; @@ -1889,6 +1890,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque) if (migrate_use_xbzrle()) { XBZRLE_cache_lock(); + ZERO_TARGET_PAGE = g_malloc0(TARGET_PAGE_SIZE); XBZRLE.cache = cache_init(migrate_xbzrle_cache_size() / TARGET_PAGE_SIZE, TARGET_PAGE_SIZE); |