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[patch 2/3] grub efi initrd image memory allocation 4K alignment


From: bibo,mao
Subject: [patch 2/3] grub efi initrd image memory allocation 4K alignment
Date: Tue, 24 Oct 2006 15:03:07 +0800
User-agent: Thunderbird 1.5.0.7 (Windows/20060909)

Hi,
 On grub efi platform, initrd image memory allocation start
address must be 4K alignment, else it will fail to alloc memory
for initrd image.
thanks
bibo,mao

diff -Nruap grub2.org/loader/i386/efi/linux.c grub2/loader/i386/efi/linux.c
--- grub2.org/loader/i386/efi/linux.c   2006-10-24 13:24:46.000000000 +0800
+++ grub2/loader/i386/efi/linux.c       2006-10-24 13:25:35.000000000 +0800
@@ -587,7 +587,6 @@ grub_rescue_cmd_initrd (int argc, char *
       desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
    {
      if (desc->type == GRUB_EFI_CONVENTIONAL_MEMORY
-         && desc->physical_start >= addr_min
          && desc->physical_start + size < addr_max
          && desc->num_pages >= initrd_pages)
        {
@@ -598,7 +597,7 @@ grub_rescue_cmd_initrd (int argc, char *
            physical_end = addr_max;

          if (physical_end > addr)
-           addr = physical_end - page_align (size);
+           addr = PAGE_DOWN(physical_end - page_align (size));
        }
    }





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