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2020-11-13 Thread 三井住友カード
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Re: [PATCH v8 6/9] secretmem: add memcg accounting

2020-11-13 Thread Roman Gushchin
вт, 10 нояб. 2020 г. в 07:16, Mike Rapoport : > > From: Mike Rapoport > > Account memory consumed by secretmem to memcg. The accounting is updated > when the memory is actually allocated and freed. > > Signed-off-by: Mike Rapoport > --- > mm/filemap.c | 2 +- > mm/secretmem.c | 42

Re: [PATCH -next] device-dax: change error code from postive to negative in range_parse

2020-11-13 Thread Joao Martins
On 10/26/20 11:04 AM, Zhang Qilong wrote: > call trace: > -> mapping_store() > -> range_parse() > .. > rc = -ENXIO; > > According to context, the error return value of > range_parse should be negative. > > Signed-off-by: Zhang Qilong

Re: [PATCH v8 4/9] mm: introduce memfd_secret system call to create "secret" memory areas

2020-11-13 Thread Matthew Wilcox
On Tue, Nov 10, 2020 at 05:14:39PM +0200, Mike Rapoport wrote: > diff --git a/mm/Kconfig b/mm/Kconfig > index c89c5444924b..d8d170fa5210 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -884,4 +884,7 @@ config ARCH_HAS_HUGEPD > config MAPPING_DIRTY_HELPERS > bool > > +config SECRETMEM

Re: [PATCH v8 4/9] mm: introduce memfd_secret system call to create "secret" memory areas

2020-11-13 Thread Matthew Wilcox
On Tue, Nov 10, 2020 at 05:14:39PM +0200, Mike Rapoport wrote: > +static vm_fault_t secretmem_fault(struct vm_fault *vmf) > +{ > + struct address_space *mapping = vmf->vma->vm_file->f_mapping; > + struct inode *inode = file_inode(vmf->vma->vm_file); > + pgoff_t offset = vmf->pgoff; > +

Re: [PATCH v8 3/9] set_memory: allow set_direct_map_*_noflush() for multiple pages

2020-11-13 Thread Catalin Marinas
On Tue, Nov 10, 2020 at 05:14:38PM +0200, Mike Rapoport wrote: > From: Mike Rapoport > > The underlying implementations of set_direct_map_invalid_noflush() and > set_direct_map_default_noflush() allow updating multiple contiguous pages > at once. > > Add numpages parameter to

Re: [PATCH v8 8/9] arch, mm: wire up memfd_secret system call were relevant

2020-11-13 Thread Catalin Marinas
Hi Mike, On Tue, Nov 10, 2020 at 05:14:43PM +0200, Mike Rapoport wrote: > diff --git a/arch/arm64/include/asm/unistd32.h > b/arch/arm64/include/asm/unistd32.h > index 6c1dcca067e0..c71c3fe0b6cd 100644 > --- a/arch/arm64/include/asm/unistd32.h > +++ b/arch/arm64/include/asm/unistd32.h > @@ -891,6