diff options
| author | Li RongQing <lirongqing@baidu.com> | 2025-08-14 13:23:33 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-14 02:55:11 +0300 |
| commit | b322e88b3d553e85b4e15779491c70022783faa4 (patch) | |
| tree | 3ac04edcbea977883598cf2b8526366cfaa1d012 /include/linux | |
| parent | 35224da7e30b08cffa7aa5d893a91b7332b61c2a (diff) | |
| download | linux-b322e88b3d553e85b4e15779491c70022783faa4.tar.xz | |
mm/hugetlb: early exit from hugetlb_pages_alloc_boot() when max_huge_pages=0
Optimize hugetlb_pages_alloc_boot() to return immediately when
max_huge_pages is 0, avoiding unnecessary CPU cycles and the below log
message when hugepages aren't configured in the kernel command line.
[ 3.702280] HugeTLB: allocation took 0ms with hugepage_allocation_threads=32
Link: https://lkml.kernel.org/r/20250814102333.4428-1-lirongqing@baidu.com
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Tested-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions