[PATCH v5 3/4] arm64: mm: support ARCH_MMAP_RND_BITS.
From: arnd@arndb.de (Arnd Bergmann)
Date: 2015-12-07 11:16:34
Also in:
linux-mm, lkml
On Monday 07 December 2015 10:26:16 Jon Hunter wrote:
quoted hunk ↗ jump to hunk
diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c index af461b935137..e59a75a308bc 100644 --- a/arch/arm64/mm/mmap.c +++ b/arch/arm64/mm/mmap.c@@ -51,7 +51,7 @@ unsigned long arch_mmap_rnd(void) { unsigned long rnd; -ifdef CONFIG_COMPAT +#ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) rnd = (unsigned long)get_random_int() % (1 << mmap_rnd_compat_bits); elseCheers
Ideally we'd remove the #ifdef around the mmap_rnd_compat_bits declaration and change this code to use if (IS_ENABLED(CONFIG_COMPAT) && test_thread_flag(TIF_32BIT)) Arnd