diff options
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index d1d6601b385d..e1b2d58a311a 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -451,7 +451,7 @@ static void __init map_mem(pgd_t *pgdp) struct memblock_region *reg; int flags = 0; - if (debug_pagealloc_enabled()) + if (rodata_full || debug_pagealloc_enabled()) flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; /* @@ -552,7 +552,19 @@ static void __init map_kernel_segment(pgd_t *pgdp, void *va_start, void *va_end, static int __init parse_rodata(char *arg) { - return strtobool(arg, &rodata_enabled); + int ret = strtobool(arg, &rodata_enabled); + if (!ret) { + rodata_full = false; + return 0; + } + + /* permit 'full' in addition to boolean options */ + if (strcmp(arg, "full")) + return -EINVAL; + + rodata_enabled = true; + rodata_full = true; + return 0; } early_param("rodata", parse_rodata); |