diff options
| author | John Stultz <john.stultz@linaro.org> | 2011-04-05 12:21:10 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-04-05 12:21:10 -0700 |
| commit | 4ce7ea0bfbb301ffb79154b6cecd2ef030db4cdf (patch) | |
| tree | a7ad87580793912a9da208e7a9ea21d6c7768f08 /arch/x86/mm/init_64.c | |
| parent | 4450182f400f1a5f50b1680faec25af2315c2849 (diff) | |
| parent | 7c4bc9c2662c6d9840afed0e29eb01314af9bb78 (diff) | |
Merge branch 'upstream/linaro.38' into linaro-android.38
Conflicts:
arch/arm/kernel/signal.c
drivers/mmc/card/block.c
drivers/mtd/nand/Kconfig
include/linux/amba/mmci.h
kernel/printk.c
mm/shmem.c
net/socket.c
Diffstat (limited to 'arch/x86/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index c14a5422e15..68f9921ae9c 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -51,6 +51,7 @@ #include <asm/numa.h> #include <asm/cacheflush.h> #include <asm/init.h> +#include <asm/setup.h> static int __init parse_direct_gbpages_off(char *arg) { @@ -293,18 +294,18 @@ void __init init_extra_mapping_uc(unsigned long phys, unsigned long size) * to the compile time generated pmds. This results in invalid pmds up * to the point where we hit the physaddr 0 mapping. * - * We limit the mappings to the region from _text to _end. _end is - * rounded up to the 2MB boundary. This catches the invalid pmds as + * We limit the mappings to the region from _text to _brk_end. _brk_end + * is rounded up to the 2MB boundary. This catches the invalid pmds as * well, as they are located before _text: */ void __init cleanup_highmap(void) { unsigned long vaddr = __START_KERNEL_map; - unsigned long end = roundup((unsigned long)_end, PMD_SIZE) - 1; + unsigned long vaddr_end = __START_KERNEL_map + (max_pfn_mapped << PAGE_SHIFT); + unsigned long end = roundup((unsigned long)_brk_end, PMD_SIZE) - 1; pmd_t *pmd = level2_kernel_pgt; - pmd_t *last_pmd = pmd + PTRS_PER_PMD; - for (; pmd < last_pmd; pmd++, vaddr += PMD_SIZE) { + for (; vaddr + PMD_SIZE - 1 < vaddr_end; pmd++, vaddr += PMD_SIZE) { if (pmd_none(*pmd)) continue; if (vaddr < (unsigned long) _text || vaddr > end) |