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| author | Daniel Micay <danielmicay@gmail.com> | 2017-07-06 15:36:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 16:24:31 -0700 |
| commit | ac34ceaf1cdb34e8c34c0873ee562e9df6087cbc (patch) | |
| tree | f06d0c4f732aabe00f879dfb0a33b2d9ada3beae /mm/page_ext.c | |
| parent | c4e1be9ec1130fff4d691cdc0e0f9d666009f9ae (diff) | |
| download | op-kernel-dev-ac34ceaf1cdb34e8c34c0873ee562e9df6087cbc.zip op-kernel-dev-ac34ceaf1cdb34e8c34c0873ee562e9df6087cbc.tar.gz | |
mm/mmap.c: mark protection_map as __ro_after_init
The protection map is only modified by per-arch init code so it can be
protected from writes after the init code runs.
This change was extracted from PaX where it's part of KERNEXEC.
Link: http://lkml.kernel.org/r/20170510174441.26163-1-danielmicay@gmail.com
Signed-off-by: Daniel Micay <danielmicay@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_ext.c')
0 files changed, 0 insertions, 0 deletions
