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

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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/[email protected]
Signed-off-by: Miaohe Lin <[email protected]>
Cc: Mike Kravetz <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Miaohe Lin
2021-05-05 11:27:20 -07:00
committed by Linus Torvalds
parent 5c8ecb131a
commit d83e6c8a9b
1 changed files with 3 additions and 6 deletions
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mm/hugetlb.c
+3 -6
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@@ -4395,13 +4395,10 @@ retry:
* 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));