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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
2019-10-26 15:38:06 +02:00
committed by Paolo Bonzini
parent 5608956575
commit 038adc2f58
25 changed files with 52 additions and 50 deletions
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include/exec/ram_addr.h
+1 -1
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@@ -373,7 +373,7 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
hwaddr addr;
ram_addr_t ram_addr;
unsigned long len = (pages + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
unsigned long hpratio = getpagesize() / TARGET_PAGE_SIZE;
unsigned long hpratio = qemu_real_host_page_size / TARGET_PAGE_SIZE;
unsigned long page = BIT_WORD(start >> TARGET_PAGE_BITS);
/* start address is aligned at the start of a word? */