search for: 0c62426d1257

...vice, unsigned long size); -struct hmm_devmem *hmm_devmem_add_resource(const struct hmm_devmem_ops *ops, - struct device *device, - struct resource *res); /* * hmm_devmem_page_set_drvdata - set per-page driver data field diff --git a/mm/hmm.c b/mm/hmm.c index ff2598eb7377..0c62426d1257 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -1445,58 +1445,4 @@ struct hmm_devmem *hmm_devmem_add(const struct hmm_devmem_ops *ops, return devmem; } EXPORT_SYMBOL_GPL(hmm_devmem_add); - -struct hmm_devmem *hmm_devmem_add_resource(const struct hmm_devmem_ops *ops, - struct device *device, -...

...hich btw is rather confusing, as DAX uses ->pgmap and ->mapping from two different sides of the union, but DAX doesn't use hmm_devmem_free). Signed-off-by: Christoph Hellwig <hch at lst.de> --- mm/hmm.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/hmm.c b/mm/hmm.c index 0c62426d1257..e1dc98407e7b 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -1347,8 +1347,6 @@ static void hmm_devmem_free(struct page *page, void *data) { struct hmm_devmem *devmem = data; - page->mapping = NULL; - devmem->ops->free(devmem, page); } -- 2.20.1

Hi Dan, Jérôme and Jason, below is a series that cleans up the dev_pagemap interface so that it is more easily usable, which removes the need to wrap it in hmm and thus allowing to kill a lot of code Diffstat: 22 files changed, 245 insertions(+), 802 deletions(-) Git tree: git://git.infradead.org/users/hch/misc.git hmm-devmem-cleanup Gitweb: