mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-27 12:57:53 +00:00
Code Issues Releases Wiki Activity

mm/hugetlb: simplify the code when alloc_huge_page() failed in hugetlb_no_page()

Browse source 
Rework the error handling code when alloc_huge_page() failed to remove
some duplicated code and simplify the code slightly.

Link: https://lkml.kernel.org/r/20210308112809.26107-5-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2021-05-04 18:33:31 -07:00 committed by Linus Torvalds
parent 5c8ecb131a
commit d83e6c8a9b
1 changed files with 3 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
mm/hugetlb.c
View file

@ -4395,13 +4395,10 @@ static vm_fault_t hugetlb_no_page(struct mm_struct *mm,
* sure there really is no pte entry.
*/
ptl = huge_pte_lock(h, mm, ptep);
if (!huge_pte_none(huge_ptep_get(ptep))) {
ret = 0;
spin_unlock(ptl);
goto out;
}
ret = 0;
if (huge_pte_none(huge_ptep_get(ptep)))
ret = vmf_error(PTR_ERR(page));
spin_unlock(ptl);
ret = vmf_error(PTR_ERR(page));
goto out;
}
clear_huge_page(page, address, pages_per_huge_page(h));