diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2015-03-25 11:03:07 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2015-03-25 11:03:07 +0200 |
| commit | 3527a86b7ae17c949307d00e1eb7087604bca1b4 (patch) | |
| tree | 8e8eab905e7e73a3bf2c4d47abd356166533c9db /arch/x86/mm/init.c | |
| parent | b388e6a7a6ba988998ddd83919ae8d3debf1a13d (diff) | |
| parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff) | |
Merge tag 'v4.0-rc5' into linux-next
Merge the upstream -rc5 tag because we needed a more up-to-date base our
further work.
Diffstat (limited to 'arch/x86/mm/init.c')
| -rw-r--r-- | arch/x86/mm/init.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 553c094b9cd7..a110efca6d06 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -238,6 +238,31 @@ static void __init_refok adjust_range_page_size_mask(struct map_range *mr, } } +static const char *page_size_string(struct map_range *mr) +{ + static const char str_1g[] = "1G"; + static const char str_2m[] = "2M"; + static const char str_4m[] = "4M"; + static const char str_4k[] = "4k"; + + if (mr->page_size_mask & (1<<PG_LEVEL_1G)) + return str_1g; + /* + * 32-bit without PAE has a 4M large page size. + * PG_LEVEL_2M is misnamed, but we can at least + * print out the right size in the string. + */ + if (IS_ENABLED(CONFIG_X86_32) && + !IS_ENABLED(CONFIG_X86_PAE) && + mr->page_size_mask & (1<<PG_LEVEL_2M)) + return str_4m; + + if (mr->page_size_mask & (1<<PG_LEVEL_2M)) + return str_2m; + + return str_4k; +} + static int __meminit split_mem_range(struct map_range *mr, int nr_range, unsigned long start, unsigned long end) @@ -333,8 +358,7 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range, for (i = 0; i < nr_range; i++) printk(KERN_DEBUG " [mem %#010lx-%#010lx] page %s\n", mr[i].start, mr[i].end - 1, - (mr[i].page_size_mask & (1<<PG_LEVEL_1G))?"1G":( - (mr[i].page_size_mask & (1<<PG_LEVEL_2M))?"2M":"4k")); + page_size_string(&mr[i])); return nr_range; } |