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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /kernel/extable.c
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'kernel/extable.c')
-rw-r--r--kernel/extable.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/extable.c b/kernel/extable.c
index 7f8f263f8524..5339705b8241 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -72,6 +72,24 @@ int core_kernel_text(unsigned long addr)
72 return 0; 72 return 0;
73} 73}
74 74
75/**
76 * core_kernel_data - tell if addr points to kernel data
77 * @addr: address to test
78 *
79 * Returns true if @addr passed in is from the core kernel data
80 * section.
81 *
82 * Note: On some archs it may return true for core RODATA, and false
83 * for others. But will always be true for core RW data.
84 */
85int core_kernel_data(unsigned long addr)
86{
87 if (addr >= (unsigned long)_sdata &&
88 addr < (unsigned long)_edata)
89 return 1;
90 return 0;
91}
92
75int __kernel_text_address(unsigned long addr) 93int __kernel_text_address(unsigned long addr)
76{ 94{
77 if (core_kernel_text(addr)) 95 if (core_kernel_text(addr))