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| author | Yinghai Lu <yinghai@kernel.org> | 2013-01-24 12:20:09 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 19:32:57 -0800 |
| commit | 595ad9af8584908ea5fb698b836169d05b99f186 (patch) | |
| tree | 851492cc2fa5c02b4b5122b7af154f7a8d7777c3 /arch/x86/kernel/setup.c | |
| parent | d1af6d045fba6b070fa81f54dfe9227214be99ea (diff) | |
| download | blackbird-op-linux-595ad9af8584908ea5fb698b836169d05b99f186.tar.gz blackbird-op-linux-595ad9af8584908ea5fb698b836169d05b99f186.zip | |
memblock: Add memblock_mem_size()
Use it to get mem size under the limit_pfn.
to replace local version in x86 reserved_initrd.
-v2: remove not needed cast that is pointed out by HPA.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-29-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index b80bee10982f..bbe8cdf7515e 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -363,20 +363,6 @@ static void __init relocate_initrd(void) ramdisk_here, ramdisk_here + ramdisk_size - 1); } -static u64 __init get_mem_size(unsigned long limit_pfn) -{ - int i; - u64 mapped_pages = 0; - unsigned long start_pfn, end_pfn; - - for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) { - start_pfn = min_t(unsigned long, start_pfn, limit_pfn); - end_pfn = min_t(unsigned long, end_pfn, limit_pfn); - mapped_pages += end_pfn - start_pfn; - } - - return mapped_pages << PAGE_SHIFT; -} static void __init early_reserve_initrd(void) { /* Assume only end is not page aligned */ @@ -404,7 +390,7 @@ static void __init reserve_initrd(void) initrd_start = 0; - mapped_size = get_mem_size(max_pfn_mapped); + mapped_size = memblock_mem_size(max_pfn_mapped); if (ramdisk_size >= (mapped_size>>1)) panic("initrd too large to handle, " "disabling initrd (%lld needed, %lld available)\n", |
