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docs: correct documentation for %pK

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Current documentation indicates that %pK prints a leading '0x'. This is
not the case.

Correct documentation for printk specifier %pK.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
This commit is contained in:
Tobin C. Harding 2017-11-23 10:55:24 +11:00
parent 4fbd8d194f
commit 553d8e8b10
1 changed files with 1 additions and 2 deletions
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Documentation/printk-formats.txt
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@ -85,13 +85,12 @@ Examples::
printk("Faulted at %pS\n", (void *)regs->ip); printk("Faulted at %pS\n", (void *)regs->ip);
printk(" %s%pB\n", (reliable ? "" : "? "), (void *)*stack); printk(" %s%pB\n", (reliable ? "" : "? "), (void *)*stack);
Kernel Pointers Kernel Pointers
=============== ===============
:: ::
%pK 0x01234567 or 0x0123456789abcdef %pK 01234567 or 0123456789abcdef
For printing kernel pointers which should be hidden from unprivileged For printing kernel pointers which should be hidden from unprivileged
users. The behaviour of ``%pK`` depends on the ``kptr_restrict sysctl`` - see users. The behaviour of ``%pK`` depends on the ``kptr_restrict sysctl`` - see