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Groups > linux.kernel > #1185025
| From | Christoph Lameter <cl@linux.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 04/16] page-flags: define PG_locked behavior on compound pages |
| Date | 2015-07-15 22:30 +0200 |
| Message-ID | <pMBtw-1JF-5@gated-at.bofh.it> (permalink) |
| References | <p5M7g-35e-17@gated-at.bofh.it> <p5M7h-35e-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 19 Mar 2015, Kirill A. Shutemov wrote: > SLUB uses PG_locked as a bit spin locked. IIUC, tail pages should never > appear there. VM_BUG_ON() is added to make sure that this assumption is > correct. Its really not worth checking that AFAICT. Tail page pointers are not used. -- 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 04/16] page-flags: define PG_locked behavior on compound pages Christoph Lameter <cl@linux.com> - 2015-07-15 22:30 +0200
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