[PATCH kexec-tools 01/32] kdump: mmap() and munmap() only work on page-aligned quantites
Russell King - ARM Linux
linux at armlinux.org.uk
Thu May 26 01:35:28 PDT 2016
On Wed, May 25, 2016 at 11:46:08AM +0530, Pratyush Anand wrote:
> On Tue, May 3, 2016 at 3:51 PM, Russell King <rmk at arm.linux.org.uk> wrote:
> > The man page for mmap() and munmap() says that mmap() and munmap()
> > only works for page-aligned addresses, sizes and offsets. Arrange
> > to give these interfaces what they want.
> If I read correctly, it talks only offsets to be page aligned.
Yes, it's not really needed, but as we have to adjust the size anyway to
compensate for the reduced file offset, it makes little difference whether
we align the size or not.
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