Re: [PATCH v5 06/14] memory-hotplug: implement register_page_bootmem_info_section of sparse-vmemmap

[Tang Chen]

On 12/25/2012 04:09 PM, Jianguo Wu wrote:

+
+               if (!cpu_has_pse) {
+                       next = (addr + PAGE_SIZE)&  PAGE_MASK;
+                       pmd = pmd_offset(pud, addr);
+                       if (pmd_none(*pmd))
+                               continue;
+                       get_page_bootmem(section_nr, pmd_page(*pmd),
+                                        MIX_SECTION_INFO);
+
+                       pte = pte_offset_kernel(pmd, addr);
+                       if (pte_none(*pte))
+                               continue;
+                       get_page_bootmem(section_nr, pte_page(*pte),
+                                        SECTION_INFO);
+               } else {
+                       next = pmd_addr_end(addr, end);
+
+                       pmd = pmd_offset(pud, addr);
+                       if (pmd_none(*pmd))
+                               continue;
+                       get_page_bootmem(section_nr, pmd_page(*pmd),
+                                        SECTION_INFO);

Hi Tang，
        In this case, pmd maps 512 pages, but you only get_page_bootmem() on 
the first page.
I think the whole 512 pages should be get_page_bootmem(), what do you think?

Hi Wu,

Yes, thanks. I will fix it. :)

Thanks. :)

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