search for: e1dc98407e7b

...ther 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

...= IORES_DESC_DEVICE_PRIVATE_MEMORY; + return res; + } + + return ERR_PTR(-ERANGE); +} +EXPORT_SYMBOL_GPL(devm_request_free_mem_region); +#endif /* CONFIG_DEVICE_PRIVATE */ + static int __init strict_iomem(char *str) { if (strstr(str, "relaxed")) diff --git a/mm/hmm.c b/mm/hmm.c index e1dc98407e7b..13a16faf0a77 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -26,8 +26,6 @@ #include <linux/mmu_notifier.h> #include <linux/memory_hotplug.h> -#define PA_SECTION_SIZE (1UL << PA_SECTION_SHIFT) - #if IS_ENABLED(CONFIG_HMM_MIRROR) static const struct mmu_notifier_ops hmm_mmu_notifier...

...> + > + return ERR_PTR(-ERANGE); > +} > +EXPORT_SYMBOL_GPL(devm_request_free_mem_region); > +#endif /* CONFIG_DEVICE_PRIVATE */ > + > static int __init strict_iomem(char *str) > { > if (strstr(str, "relaxed")) > diff --git a/mm/hmm.c b/mm/hmm.c > index e1dc98407e7b..13a16faf0a77 100644 > --- a/mm/hmm.c > +++ b/mm/hmm.c > @@ -26,8 +26,6 @@ > #include <linux/mmu_notifier.h> > #include <linux/memory_hotplug.h> > > -#define PA_SECTION_SIZE (1UL << PA_SECTION_SHIFT) > - > #if IS_ENABLED(CONFIG_HMM_MIRROR) > sta...

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: