summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/hugetlb.h3
-rw-r--r--include/linux/mm.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 0c8c96481259..3578d9d708fe 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -532,12 +532,14 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
* modifications require hugetlb_lock.
* HPG_freed - Set when page is on the free lists.
* Synchronization: hugetlb_lock held for examination and modification.
+ * HPG_vmemmap_optimized - Set when the vmemmap pages of the page are freed.
*/
enum hugetlb_page_flags {
HPG_restore_reserve = 0,
HPG_migratable,
HPG_temporary,
HPG_freed,
+ HPG_vmemmap_optimized,
__NR_HPAGEFLAGS,
};
@@ -583,6 +585,7 @@ HPAGEFLAG(RestoreReserve, restore_reserve)
HPAGEFLAG(Migratable, migratable)
HPAGEFLAG(Temporary, temporary)
HPAGEFLAG(Freed, freed)
+HPAGEFLAG(VmemmapOptimized, vmemmap_optimized)
#ifdef CONFIG_HUGETLB_PAGE
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3437aa7c6c91..706bee98d965 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3078,6 +3078,8 @@ static inline void print_vma_addr(char *prefix, unsigned long rip)
void vmemmap_remap_free(unsigned long start, unsigned long end,
unsigned long reuse);
+int vmemmap_remap_alloc(unsigned long start, unsigned long end,
+ unsigned long reuse, gfp_t gfp_mask);
void *sparse_buffer_alloc(unsigned long size);
struct page * __populate_section_memmap(unsigned long pfn,