Alan Cox wrote:
>
> Mapping out parts of a section is quite normal - think about the 640K to
> 1Mb hole in PC memory space.
OK. But I'm still worry. Please consider the following code
for (...; ...; ...) {
[...]
if (pfn_valid(i))
num_physpages++;
[...]
}
In that case num_physpages won't store an accurate value. Still it will be
used by the kernel to make some statistic assumptions on other kernel
data structure sizes.
Francis
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