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Groups > linux.kernel > #1173858
| From | Christoph Lameter <cl@linux.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] mm: fix status code move_pages() returns for zero page |
| Date | 2015-06-29 17:00 +0200 |
| Message-ID | <pGIHo-683-25@gated-at.bofh.it> (permalink) |
| References | <pEQ6m-75n-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 24 Jun 2015, Kirill A. Shutemov wrote: > Man page for move_pages(2) specifies that status code for zero page is > supposed to be -EFAULT. Currently kernel return -ENOENT in this case. > > follow_page() can do it for us, if we would ask for FOLL_DUMP. FOLL_DUMP also has the consequence that the upper layer page tables pages are no longer allocated. Otherwise this looks ok. Reviewed-by: Christoph Lameter <cl@linux.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH] mm: fix status code move_pages() returns for zero page Christoph Lameter <cl@linux.com> - 2015-06-29 17:00 +0200
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