diff options
Diffstat (limited to 'arch/um/os-Linux/util.c')
| -rw-r--r-- | arch/um/os-Linux/util.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c index 0e771bb04dd2..48bc4927b996 100644 --- a/arch/um/os-Linux/util.c +++ b/arch/um/os-Linux/util.c @@ -29,28 +29,29 @@ #include "uml-config.h" #include "os.h" #include "longjmp.h" +#include "kern_constants.h" void stack_protections(unsigned long address) { int prot = PROT_READ | PROT_WRITE | PROT_EXEC; - if(mprotect((void *) address, page_size(), prot) < 0) + if(mprotect((void *) address, UM_KERN_PAGE_SIZE, prot) < 0) panic("protecting stack failed, errno = %d", errno); } void task_protections(unsigned long address) { - unsigned long guard = address + page_size(); - unsigned long stack = guard + page_size(); + unsigned long guard = address + UM_KERN_PAGE_SIZE; + unsigned long stack = guard + UM_KERN_PAGE_SIZE; int prot = 0, pages; #ifdef notdef - if(mprotect((void *) stack, page_size(), prot) < 0) + if(mprotect((void *) stack, UM_KERN_PAGE_SIZE, prot) < 0) panic("protecting guard page failed, errno = %d", errno); #endif pages = (1 << UML_CONFIG_KERNEL_STACK_ORDER) - 2; prot = PROT_READ | PROT_WRITE | PROT_EXEC; - if(mprotect((void *) stack, pages * page_size(), prot) < 0) + if(mprotect((void *) stack, pages * UM_KERN_PAGE_SIZE, prot) < 0) panic("protecting stack failed, errno = %d", errno); } |