| commit | 8715493852783358ef8656a0054a14bf822509cf | [log] [tgz] |
|---|---|---|
| author | Will Deacon <will.deacon@arm.com> | Wed Jul 09 19:22:11 2014 +0100 |
| committer | Catalin Marinas <catalin.marinas@arm.com> | Thu Jul 17 16:18:36 2014 +0100 |
| tree | 1d947307eead93e8b35664360c21f232e7e36ddb | |
| parent | b2f8c07bcb7d1a3575f41444d2d8048d0c922762 [diff] |
arm64: vdso: put vdso datapage in a separate vma 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: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>