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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 22:37:22 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 22:37:22 +0200 |
| commit | bc091c93a0f60717aa99e25c406892cd8c0187dc (patch) | |
| tree | 66fc7f6c97a11327c3acb0aee5c346717672a9f3 /kernel | |
| parent | Merge branch 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc (diff) | |
| parent | extable, core_kernel_data(): Make sure all archs define _sdata (diff) | |
| download | linux-bc091c93a0f60717aa99e25c406892cd8c0187dc.tar.xz linux-bc091c93a0f60717aa99e25c406892cd8c0187dc.zip | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
extable, core_kernel_data(): Make sure all archs define _sdata
core_kernel_data(): Fix architectures that do not define _sdata
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/extable.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/extable.c b/kernel/extable.c index c2d625fcda77..5339705b8241 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -72,6 +72,16 @@ int core_kernel_text(unsigned long addr) return 0; } +/** + * core_kernel_data - tell if addr points to kernel data + * @addr: address to test + * + * Returns true if @addr passed in is from the core kernel data + * section. + * + * Note: On some archs it may return true for core RODATA, and false + * for others. But will always be true for core RW data. + */ int core_kernel_data(unsigned long addr) { if (addr >= (unsigned long)_sdata && |