diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-06-13 22:50:49 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 14:32:43 -0300 |
| commit | 25b2995a35b609119cf96f6b62eccd56c0234c7d (patch) | |
| tree | 308e7083b213b09ac1c8c5bcf08e42044efd9fcd /mm/memcontrol.c | |
| parent | 07ec38917e68f0114b9c8aeeb1c584b5e73e4dd6 (diff) | |
| download | linux-25b2995a35b609119cf96f6b62eccd56c0234c7d.tar.gz linux-25b2995a35b609119cf96f6b62eccd56c0234c7d.tar.bz2 linux-25b2995a35b609119cf96f6b62eccd56c0234c7d.zip | |
mm: remove MEMORY_DEVICE_PUBLIC support
The code hasn't been used since it was added to the tree, and doesn't
appear to actually be usable.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ba9138a4a1de..d2a6454fa0bd 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4793,7 +4793,7 @@ enum mc_target_type { static struct page *mc_handle_present_pte(struct vm_area_struct *vma, unsigned long addr, pte_t ptent) { - struct page *page = _vm_normal_page(vma, addr, ptent, true); + struct page *page = vm_normal_page(vma, addr, ptent); if (!page || !page_mapped(page)) return NULL; @@ -4994,8 +4994,8 @@ out: * 2(MC_TARGET_SWAP): if the swap entry corresponding to this pte is a * target for charge migration. if @target is not NULL, the entry is stored * in target->ent. - * 3(MC_TARGET_DEVICE): like MC_TARGET_PAGE but page is MEMORY_DEVICE_PUBLIC - * or MEMORY_DEVICE_PRIVATE (so ZONE_DEVICE page and thus not on the lru). + * 3(MC_TARGET_DEVICE): like MC_TARGET_PAGE but page is MEMORY_DEVICE_PRIVATE + * (so ZONE_DEVICE page and thus not on the lru). * For now we such page is charge like a regular page would be as for all * intent and purposes it is just special memory taking the place of a * regular page. @@ -5029,8 +5029,7 @@ static enum mc_target_type get_mctgt_type(struct vm_area_struct *vma, */ if (page->mem_cgroup == mc.from) { ret = MC_TARGET_PAGE; - if (is_device_private_page(page) || - is_device_public_page(page)) + if (is_device_private_page(page)) ret = MC_TARGET_DEVICE; if (target) target->page = page; @@ -5101,8 +5100,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd, if (ptl) { /* * Note their can not be MC_TARGET_DEVICE for now as we do not - * support transparent huge page with MEMORY_DEVICE_PUBLIC or - * MEMORY_DEVICE_PRIVATE but this might change. + * support transparent huge page with MEMORY_DEVICE_PRIVATE but + * this might change. */ if (get_mctgt_type_thp(vma, addr, *pmd, NULL) == MC_TARGET_PAGE) mc.precharge += HPAGE_PMD_NR; |