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core: replace getpagesize() with qemu_real_host_page_size

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There are three page size in qemu:

  real host page size
  host page size
  target page size

All of them have dedicate variable to represent. For the last two, we
use the same form in the whole qemu project, while for the first one we
use two forms: qemu_real_host_page_size and getpagesize().

qemu_real_host_page_size is defined to be a replacement of
getpagesize(), so let it serve the role.

[Note] Not fully tested for some arch or device.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20191013021145.16011-3-richardw.yang@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Wei Yang 2019-10-13 10:11:45 +08:00 • committed by Paolo Bonzini
parent 5608956575
commit 038adc2f58
25 changed files with 52 additions and 50 deletions
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2
migration/migration.c
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@ -2284,7 +2284,7 @@ static struct rp_cmd_args {
static void migrate_handle_rp_req_pages(MigrationState *ms, const char* rbname,
ram_addr_t start, size_t len)
{
long our_host_ps = getpagesize();
long our_host_ps = qemu_real_host_page_size;
trace_migrate_handle_rp_req_pages(rbname, start, len);