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| author | Usama Arif <usama.arif@bytedance.com> | 2023-09-13 11:54:00 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-04 10:32:30 -0700 |
| commit | 77e6c43e137c130138c3fbadc847351a83c4befe (patch) | |
| tree | d93ff3743c36fee1c6a060df4cfa1600f1de92d9 /mm/mm_init.c | |
| parent | ee8d2071ef52d83a2ac4f8a474fafb2aea91766d (diff) | |
| download | linux-stable-77e6c43e137c130138c3fbadc847351a83c4befe.tar.gz linux-stable-77e6c43e137c130138c3fbadc847351a83c4befe.tar.bz2 linux-stable-77e6c43e137c130138c3fbadc847351a83c4befe.zip | |
memblock: introduce MEMBLOCK_RSRV_NOINIT flag
For reserved memory regions marked with this flag, reserve_bootmem_region
is not called during memmap_init_reserved_pages. This can be used to
avoid struct page initialization for regions which won't need them, for
e.g. hugepages with Hugepage Vmemmap Optimization enabled.
Link: https://lkml.kernel.org/r/20230913105401.519709-4-usama.arif@bytedance.com
Signed-off-by: Usama Arif <usama.arif@bytedance.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Punit Agrawal <punit.agrawal@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mm_init.c')
0 files changed, 0 insertions, 0 deletions