diff options
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r-- | mm/vmalloc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 49abccf29a29..a5bbdd3b5d67 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -29,6 +29,7 @@ #include <linux/atomic.h> #include <linux/compiler.h> #include <linux/llist.h> +#include <linux/bitops.h> #include <asm/uaccess.h> #include <asm/tlbflush.h> @@ -74,6 +75,8 @@ static void vunmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end) pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); + if (pmd_clear_huge(pmd)) + continue; if (pmd_none_or_clear_bad(pmd)) continue; vunmap_pte_range(pmd, addr, next); @@ -88,6 +91,8 @@ static void vunmap_pud_range(pgd_t *pgd, unsigned long addr, unsigned long end) pud = pud_offset(pgd, addr); do { next = pud_addr_end(addr, end); + if (pud_clear_huge(pud)) + continue; if (pud_none_or_clear_bad(pud)) continue; vunmap_pmd_range(pud, addr, next); @@ -1314,7 +1319,8 @@ static struct vm_struct *__get_vm_area_node(unsigned long size, BUG_ON(in_interrupt()); if (flags & VM_IOREMAP) - align = 1ul << clamp(fls(size), PAGE_SHIFT, IOREMAP_MAX_ORDER); + align = 1ul << clamp_t(int, fls_long(size), + PAGE_SHIFT, IOREMAP_MAX_ORDER); size = PAGE_ALIGN(size); if (unlikely(!size)) |