diff options
| -rw-r--r-- | arch/x86/include/asm/memblock.h | 3 | ||||
| -rw-r--r-- | arch/x86/mm/memblock.c | 22 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/include/asm/memblock.h b/arch/x86/include/asm/memblock.h index 69cf853e9319..e11ddf059fa1 100644 --- a/arch/x86/include/asm/memblock.h +++ b/arch/x86/include/asm/memblock.h @@ -6,4 +6,7 @@ u64 memblock_x86_find_in_range_size(u64 start, u64 *sizep, u64 align); void memblock_x86_to_bootmem(u64 start, u64 end); +void memblock_x86_reserve_range(u64 start, u64 end, char *name); +void memblock_x86_free_range(u64 start, u64 end); + #endif diff --git a/arch/x86/mm/memblock.c b/arch/x86/mm/memblock.c index 8101084d452a..9829eaf1dbda 100644 --- a/arch/x86/mm/memblock.c +++ b/arch/x86/mm/memblock.c @@ -114,3 +114,25 @@ void __init memblock_x86_to_bootmem(u64 start, u64 end) memblock_reserve_reserved_regions(); } #endif + +void __init memblock_x86_reserve_range(u64 start, u64 end, char *name) +{ + if (start == end) + return; + + if (WARN_ONCE(start > end, "memblock_x86_reserve_range: wrong range [%#llx, %#llx]\n", start, end)) + return; + + memblock_reserve(start, end - start); +} + +void __init memblock_x86_free_range(u64 start, u64 end) +{ + if (start == end) + return; + + if (WARN_ONCE(start > end, "memblock_x86_free_range: wrong range [%#llx, %#llx]\n", start, end)) + return; + + memblock_free(start, end - start); +} |