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drm/amd/display: Implement bounds check for stream encoder creation in DCN301
[platform/kernel/linux-rpi.git]
/
mm
/
filemap.c
diff --git
a/mm/filemap.c
b/mm/filemap.c
index
f0a15ce
..
b1ef7be
100644
(file)
--- a/
mm/filemap.c
+++ b/
mm/filemap.c
@@
-2667,6
+2667,15
@@
ssize_t filemap_read(struct kiocb *iocb, struct iov_iter *iter,
end_offset = min_t(loff_t, isize, iocb->ki_pos + iter->count);
/*
end_offset = min_t(loff_t, isize, iocb->ki_pos + iter->count);
/*
+ * Pairs with a barrier in
+ * block_write_end()->mark_buffer_dirty() or other page
+ * dirtying routines like iomap_write_end() to ensure
+ * changes to page contents are visible before we see
+ * increased inode size.
+ */
+ smp_rmb();
+
+ /*
* Once we start copying data, we don't want to be touching any
* cachelines that might be contended:
*/
* Once we start copying data, we don't want to be touching any
* cachelines that might be contended:
*/
@@
-3422,7
+3431,7
@@
static bool filemap_map_pmd(struct vm_fault *vmf, struct folio *folio,
}
}
}
}
- if (pmd_none(*vmf->pmd))
+ if (pmd_none(*vmf->pmd)
&& vmf->prealloc_pte
)
pmd_install(mm, vmf->pmd, &vmf->prealloc_pte);
return false;
pmd_install(mm, vmf->pmd, &vmf->prealloc_pte);
return false;