diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 63ca4241ea87..6a8454bc2917 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3262,12 +3262,6 @@ bool __init __attribute((weak)) arch_hugetlb_valid_size(unsigned long size) return size == HPAGE_SIZE; } -/* Should be called on processing a hugepagesz=... option */ -void __init hugetlb_bad_size(void) -{ - parsed_valid_hugepagesz = false; -} - void __init hugetlb_add_hstate(unsigned int order) { struct hstate *h; @@ -3337,6 +3331,23 @@ static int __init hugetlb_nrpages_setup(char *s) } __setup("hugepages=", hugetlb_nrpages_setup); +static int __init hugepagesz_setup(char *s) +{ + unsigned long size; + + size = (unsigned long)memparse(s, NULL); + + if (!arch_hugetlb_valid_size(size)) { + parsed_valid_hugepagesz = false; + pr_err("HugeTLB: unsupported hugepagesz %s\n", s); + return 0; + } + + hugetlb_add_hstate(ilog2(size) - PAGE_SHIFT); + return 1; +} +__setup("hugepagesz=", hugepagesz_setup); + static int __init default_hugepagesz_setup(char *s) { unsigned long size; |