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migration/multifd: Remove pages->allocated

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This value never changes and is always the same as page_count. We
don't need a copy of it per-channel plus one in the extra slot. Remove
it.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Fabiano Rosas 2024-08-27 14:45:50 -03:00
parent 90fa121c6c
commit 171056ec91
2 changed files with 2 additions and 6 deletions
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6
migration/multifd.c
View file

@ -396,7 +396,6 @@ static MultiFDPages_t *multifd_pages_init(uint32_t n)
{
MultiFDPages_t *pages = g_new0(MultiFDPages_t, 1);
pages->allocated = n;
pages->offset = g_new0(ram_addr_t, n);
return pages;
@ -405,7 +404,6 @@ static MultiFDPages_t *multifd_pages_init(uint32_t n)
static void multifd_pages_clear(MultiFDPages_t *pages)
{
multifd_pages_reset(pages);
pages->allocated = 0;
g_free(pages->offset);
pages->offset = NULL;
g_free(pages);
@ -420,7 +418,7 @@ void multifd_send_fill_packet(MultiFDSendParams *p)
int i;
packet->flags = cpu_to_be32(p->flags);
packet->pages_alloc = cpu_to_be32(pages->allocated);
packet->pages_alloc = cpu_to_be32(multifd_ram_page_count());
packet->normal_pages = cpu_to_be32(pages->normal_num);
packet->zero_pages = cpu_to_be32(zero_num);
packet->next_packet_size = cpu_to_be32(p->next_packet_size);
@ -651,7 +649,7 @@ static inline bool multifd_queue_empty(MultiFDPages_t *pages)
static inline bool multifd_queue_full(MultiFDPages_t *pages)
{
return pages->num == pages->allocated;
return pages->num == multifd_ram_page_count();
}
static inline void multifd_enqueue(MultiFDPages_t *pages, ram_addr_t offset)