glibc/mmap: Extend.

[hurd-web.git] / open_issues / git_nfs_mmap.mdwn

diff --git a/open_issues/git_nfs_mmap.mdwn b/open_issues/git_nfs_mmap.mdwn
index 2106702..e6726df 100644 (file)
--- a/open_issues/git_nfs_mmap.mdwn
+++ b/open_issues/git_nfs_mmap.mdwn
@@ -50,4 +50,6 @@ fails, and it isn't prepared to cope with that:
 This is the [[libnetfs: `io_map`|open_issues/libnetfs_io_map]] issue.
 
 There is a `NO_MMAP` conditional in Git's source code, but it is a compile-time
-conditional.
+conditional.  The fallback code in `compat/mmap.c:git_mmap` only supports
+`MAP_PRIVATE`, and simply `pread`s in the requested portion of a file.  This
+could be made a runtime fallback, too.