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page_cache: dup memory on insert

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The page cache frees all data on finish, on resize and
if there is collision on insert. So it should be the caches
responsibility to dup the data that is stored in the cache.

Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Orit Wasserman <owasserm@redhat.com>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Lieven 2013-02-25 19:12:04 +02:00 • committed by Juan Quintela
parent 32a1c08b60
commit ee0b44aa9d
3 changed files with 4 additions and 4 deletions
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3
arch_init.c
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@ -293,8 +293,7 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data,
if (!cache_is_cached(XBZRLE.cache, current_addr)) {
if (!last_stage) {
cache_insert(XBZRLE.cache, current_addr,
g_memdup(current_data, TARGET_PAGE_SIZE));
cache_insert(XBZRLE.cache, current_addr, current_data);
}
acct_info.xbzrle_cache_miss++;
return -1;