grub2/grub-2.00-dont-decrease-mmap-size.patch
Peter Jones 5d4d4776f9 Split module lists for UEFI boot vs UEFI cd images.
- Add raid modules for UEFI image (related: #750794)
- Include a prelink whitelist for binaries that need execstack (#839813)
2012-08-08 14:27:31 -04:00

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Diff

From: Stuart Hayes <stuart.hayes@dell.com>
Subject: Don't decrease efi memory map size
Date: 2012-07-02 09:14:37 +0000
--- a/grub-core/loader/i386/linux.c 2012-06-27 20:55:09 +0000
+++ b/grub-core/loader/i386/linux.c 2012-07-02 09:14:37 +0000
@@ -118,12 +118,13 @@
int ret;
grub_efi_memory_descriptor_t *mmap;
grub_efi_uintn_t desc_size;
+ grub_efi_uintn_t cur_mmap_size = mmap_size;
- mmap = grub_malloc (mmap_size);
+ mmap = grub_malloc (cur_mmap_size);
if (! mmap)
return 0;
- ret = grub_efi_get_memory_map (&mmap_size, mmap, 0, &desc_size, 0);
+ ret = grub_efi_get_memory_map (&cur_mmap_size, mmap, 0, &desc_size, 0);
grub_free (mmap);
if (ret < 0)
@@ -134,6 +135,8 @@
else if (ret > 0)
break;
+ if (mmap_size < cur_mmap_size)
+ mmap_size = cur_mmap_size;
mmap_size += (1 << 12);
}