mirror of https://github.com/torvalds/linux.git
f28d42663e
The scratch page should never be accessed, and is only assigned as a filler page to redirection invalid userspace access. It is not of a performance concern and so we prefer to have a single consistent configuration across all platforms, reducing the pressure on device memory and avoiding the direct device access that would be required to initialise the scratch page. Signed-off-by: Chris Wilson <chris.p.wilson@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220926155018.109678-1-matthew.auld@intel.com |
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