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migration/multifd: Replace p->pages with an union pointer

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We want multifd to be able to handle more types of data than just ram
pages. To start decoupling multifd from pages, replace p->pages
(MultiFDPages_t) with the new type MultiFDSendData that hides the
client payload inside an union.

The general idea here is to isolate functions that *need* to handle
MultiFDPages_t and move them in the future to multifd-ram.c, while
multifd.c will stay with only the core functions that handle
MultiFDSendData/MultiFDRecvData.

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 14:45:54 -03:00
parent 0e427da096
commit 9f0e108901
7 changed files with 57 additions and 47 deletions
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2
migration/multifd-zero-page.c
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@ -46,7 +46,7 @@ static void swap_page_offset(ram_addr_t *pages_offset, int a, int b)
*/
void multifd_send_zero_page_detect(MultiFDSendParams *p)
{
MultiFDPages_t *pages = p->pages;
MultiFDPages_t *pages = &p->data->u.ram;
RAMBlock *rb = pages->block;
int i = 0;
int j = pages->num - 1;