Messages in this thread | | | Subject | Re: [parisc-linux] Re: Problems with kernel mmap (failing tst-mmap-eofsync in glibc on parisc) | From | James Bottomley <> | Date | 22 Aug 2003 13:56:06 -0500 |
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On Fri, 2003-08-22 at 13:31, David S. Miller wrote: > On Fri, 22 Aug 2003 19:34:41 +0100 (BST) > Hugh Dickins <hugh@veritas.com> wrote: > > > And to me. If VM_SHARED is set, then __vma_link_file puts the vma on > > on i_mmap_shared. If VM_SHARED is not set, it puts the vma on i_mmap. > > flush_dcache_page treats i_mmap_shared and i_mmap lists equally. > > But file system page cache writes only call flush_dache_page() > if the page has a non-empty i_mmap_shared list.
Hmm, but if it does that then the glibc bug test should show up on sparc because the i_mmap_shared list is empty if we only do MAP_SHARED of read only files.
James
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