[PATCH 2/4] arm: let set_memory_xx(addr, 0) succeed.
From: <hidden>
Date: 2016-01-23 15:07:34
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: Mika PenttilA? <redacted> This makes set_memory_xx() consistent with x86. Signed-off-by: Mika PenttilA? mika.penttila@nextfour.com --- arch/arm/mm/pageattr.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c
index be7fe4b..9edf6b0 100644
--- a/arch/arm/mm/pageattr.c
+++ b/arch/arm/mm/pageattr.c@@ -49,6 +49,9 @@ static int change_memory_common(unsigned long addr, int numpages, WARN_ON_ONCE(1); } + if (!numpages) + return 0; + if (start < MODULES_VADDR || start >= MODULES_END) return -EINVAL;
--
1.9.1
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