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---
grub-core/kern/efi/mm.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/grub-core/kern/efi/mm.c b/grub-core/kern/efi/mm.c
index ced3ee5e7..f3d2e2b99 100644
--- a/grub-core/kern/efi/mm.c
+++ b/grub-core/kern/efi/mm.c
@@ -482,7 +482,8 @@ static grub_err_t
add_memory_regions (grub_efi_memory_descriptor_t *memory_map,
grub_efi_uintn_t desc_size,
grub_efi_memory_descriptor_t *memory_map_end,
- grub_efi_uint64_t required_pages)
+ grub_efi_uint64_t required_pages,
+ unsigned int flags)
{
grub_efi_memory_descriptor_t *desc;
@@ -496,6 +497,10 @@ add_memory_regions (grub_efi_memory_descriptor_t *memory_map,
start = desc->physical_start;
pages = desc->num_pages;
+
+ if (pages < required_pages && (flags & GRUB_MM_ADD_REGION_CONSECUTIVE))
+ continue;
+
if (pages > required_pages)
{
start += PAGES_TO_BYTES (pages - required_pages);
@@ -559,7 +564,7 @@ print_memory_map (grub_efi_memory_descriptor_t *memory_map,
#endif
static grub_err_t
-grub_efi_mm_add_regions (grub_efi_uint64_t required_bytes)
+grub_efi_mm_add_regions (grub_efi_uint64_t required_bytes, unsigned int flags)
{
grub_efi_memory_descriptor_t *memory_map;
grub_efi_memory_descriptor_t *memory_map_end;
@@ -614,7 +619,8 @@ grub_efi_mm_add_regions (grub_efi_uint64_t required_bytes)
/* Allocate memory regions for GRUB's memory management. */
err = add_memory_regions (filtered_memory_map, desc_size,
filtered_memory_map_end,
- BYTES_TO_PAGES (required_bytes));
+ BYTES_TO_PAGES (required_bytes),
+ flags);
if (err != GRUB_ERR_NONE)
return err;
@@ -641,8 +647,9 @@ grub_efi_mm_add_regions (grub_efi_uint64_t required_bytes)
void
grub_efi_mm_init (void)
{
- if (grub_efi_mm_add_regions (DEFAULT_HEAP_SIZE) != GRUB_ERR_NONE)
+ if (grub_efi_mm_add_regions (DEFAULT_HEAP_SIZE, GRUB_MM_ADD_REGION_NONE) != GRUB_ERR_NONE)
grub_fatal ("%s", grub_errmsg);
+ grub_mm_add_region_fn = grub_efi_mm_add_regions;
}
#if defined (__aarch64__) || defined (__arm__) || defined (__riscv)
--
2.32.0
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|