iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

openrisc: add missing pgtable_page_ctor/dtor calls

Browse Source 
It will fix NR_PAGETABLE accounting.  It's also required if the arch is
going ever support split ptl.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2013-11-14 14:31:23 -08:00 committed by Linus Torvalds
parent 0470d4aa29
commit b3d59c6eb4
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/openrisc/include/asm/pgalloc.h
View File

@ -78,8 +78,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
{
struct page *pte;
pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
if (pte)
clear_page(page_address(pte));
if (!pte)
return NULL;
clear_page(page_address(pte));
if (!pgtable_page_ctor(pte)) {
__free_page(pte);
return NULL;
}
return pte;
}
@ -90,6 +95,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
static inline void pte_free(struct mm_struct *mm, struct page *pte)
{
pgtable_page_dtor(pte);
__free_page(pte);
}