unicore32: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
647f884e67
commit
e90bedbb8a
1 changed files with 8 additions and 6 deletions
|
@ -51,12 +51,14 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr)
|
||||||
struct page *pte;
|
struct page *pte;
|
||||||
|
|
||||||
pte = alloc_pages(PGALLOC_GFP, 0);
|
pte = alloc_pages(PGALLOC_GFP, 0);
|
||||||
if (pte) {
|
if (!pte)
|
||||||
if (!PageHighMem(pte)) {
|
return NULL;
|
||||||
void *page = page_address(pte);
|
if (!PageHighMem(pte)) {
|
||||||
clean_dcache_area(page, PTRS_PER_PTE * sizeof(pte_t));
|
void *page = page_address(pte);
|
||||||
}
|
clean_dcache_area(page, PTRS_PER_PTE * sizeof(pte_t));
|
||||||
pgtable_page_ctor(pte);
|
}
|
||||||
|
if (!pgtable_page_ctor(pte)) {
|
||||||
|
__free_page(pte);
|
||||||
}
|
}
|
||||||
|
|
||||||
return pte;
|
return pte;
|
||||||
|
|
Loading…
Reference in a new issue