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由 Will Deacon 提交于
The VDSO datapage doesn't need to be executable (no code there) or CoW-able (the kernel writes the page, so a private copy is totally useless). This patch moves the datapage into its own VMA, identified as "[vvar]" in /proc/<pid>/maps. Cc: Andy Lutomirski <luto@amacapital.net> Signed-off-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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