Merge remote-tracking branch 'lsk/v3.10/topic/arm64-ptrace' into lsk-v3.10-arm64...

[firefly-linux-kernel-4.4.55.git] / arch / x86 / mm / init.c

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index eaac1743def7ea70cccda0926e53fc2e343f7f06..7a5bf1b76e2fe82d7d7d72d08d732f5d9cd1746b 100644 (file)
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -78,8 +78,8 @@ __ref void *alloc_low_pages(unsigned int num)
        return __va(pfn << PAGE_SHIFT);
 }
 
-/* need 4 4k for initial PMD_SIZE, 4k for 0-ISA_END_ADDRESS */
-#define INIT_PGT_BUF_SIZE      (5 * PAGE_SIZE)
+/* need 3 4k for initial PMD_SIZE,  3 4k for 0-ISA_END_ADDRESS */
+#define INIT_PGT_BUF_SIZE      (6 * PAGE_SIZE)
 RESERVE_BRK(early_pgt_alloc, INIT_PGT_BUF_SIZE);
 void  __init early_alloc_pgt_buf(void)
 {
@@ -277,6 +277,9 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
        end_pfn = limit_pfn;
        nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
 
+       if (!after_bootmem)
+               adjust_range_page_size_mask(mr, nr_range);
+
        /* try to merge same page size and continuous */
        for (i = 0; nr_range > 1 && i < nr_range - 1; i++) {
                unsigned long old_start;
@@ -291,9 +294,6 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
                nr_range--;
        }
 
-       if (!after_bootmem)
-               adjust_range_page_size_mask(mr, 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,