https://github.com/torvalds/linux
Revision 72fad7139b6829f71d7f41f39eb30da5760d90a8 authored by Adam Litke on 10 December 2007, 23:49:28 UTC, committed by Linus Torvalds on 11 December 2007, 03:43:55 UTC
The follow_hugetlb_page() fix I posted (merged as git commit 5b23dbe8173c212d6a326e35347b038705603d39) missed one case. If the pte is present, but not writable and write access is requested by the caller to get_user_pages(), the code will do the wrong thing. Rather than calling hugetlb_fault to make the pte writable, it notes the presence of the pte and continues. This simple one-liner makes sure we also fault on the pte for this case. Please apply. Signed-off-by: Adam Litke <agl@us.ibm.com> Acked-by: Dave Kleikamp <shaggy@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Tip revision: 72fad7139b6829f71d7f41f39eb30da5760d90a8 authored by Adam Litke on 10 December 2007, 23:49:28 UTC
hugetlb: handle write-protection faults in follow_hugetlb_page
hugetlb: handle write-protection faults in follow_hugetlb_page
Tip revision: 72fad71
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| usr | ||
| .gitignore | -rw-r--r-- | 628 bytes |
| .mailmap | -rw-r--r-- | 3.6 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 90.1 KB |
| Kbuild | -rw-r--r-- | 1.6 KB |
| MAINTAINERS | -rw-r--r-- | 91.6 KB |
| Makefile | -rw-r--r-- | 51.9 KB |
| README | -rw-r--r-- | 16.5 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.0 KB |
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