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| author | Will Deacon <will.deacon@arm.com> | 2014-07-09 19:22:11 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-07-17 16:18:36 +0100 |
| commit | 8715493852783358ef8656a0054a14bf822509cf (patch) | |
| tree | 1d947307eead93e8b35664360c21f232e7e36ddb /samples | |
| parent | b2f8c07bcb7d1a3575f41444d2d8048d0c922762 (diff) | |
| download | op-kernel-dev-8715493852783358ef8656a0054a14bf822509cf.zip op-kernel-dev-8715493852783358ef8656a0054a14bf822509cf.tar.gz | |
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>
Diffstat (limited to 'samples')
0 files changed, 0 insertions, 0 deletions
