diff options
Diffstat (limited to 'arch/arm/mm/init.c')
| -rw-r--r-- | arch/arm/mm/init.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index ad80548325fe..bd6f4513539a 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -36,6 +36,7 @@ #include <asm/system_info.h> #include <asm/tlb.h> #include <asm/fixmap.h> +#include <asm/ptdump.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -580,16 +581,6 @@ void __init mem_init(void) BUILD_BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET); BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET); #endif - - if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) { - extern int sysctl_overcommit_memory; - /* - * On a machine this small we won't get - * anywhere without overcommit, so turn - * it on by default. - */ - sysctl_overcommit_memory = OVERCOMMIT_ALWAYS; - } } #ifdef CONFIG_STRICT_KERNEL_RWX @@ -639,8 +630,8 @@ static struct section_perm ro_perms[] = { .start = (unsigned long)_stext, .end = (unsigned long)__init_begin, #ifdef CONFIG_ARM_LPAE - .mask = ~L_PMD_SECT_RDONLY, - .prot = L_PMD_SECT_RDONLY, + .mask = ~(L_PMD_SECT_RDONLY | PMD_SECT_AP2), + .prot = L_PMD_SECT_RDONLY | PMD_SECT_AP2, #else .mask = ~(PMD_SECT_APX | PMD_SECT_AP_WRITE), .prot = PMD_SECT_APX | PMD_SECT_AP_WRITE, @@ -748,6 +739,7 @@ static int __mark_rodata_ro(void *unused) void mark_rodata_ro(void) { stop_machine(__mark_rodata_ro, NULL, NULL); + debug_checkwx(); } void set_kernel_text_rw(void) |