Re: [linux-next:master] [fs] cdc4ad36a8: kernel_BUG_at_include/linux/page-flags.h

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On Tue, Aug 06, 2024 at 10:26:17PM +0800, kernel test robot wrote:
> kernel test robot noticed "kernel_BUG_at_include/linux/page-flags.h" on:
> 
> commit: cdc4ad36a871b7ac43fcc6b2891058d332ce60ce ("fs: Convert aops->write_begin to take a folio")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> 
> [test failed on linux-next/master 1e391b34f6aa043c7afa40a2103163a0ef06d179]
> 
> in testcase: boot

This patch should fix it.

Christian, can you squash the fix in?


diff --git a/mm/shmem.c b/mm/shmem.c
index 7d28304aea0f..66ff87417090 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2904,7 +2904,8 @@ shmem_write_begin(struct file *file, struct address_space *mapping,
 	if (ret)
 		return ret;
 
-	if (folio_test_has_hwpoisoned(folio)) {
+	if (folio_test_hwpoison(folio) ||
+	    (folio_test_large(folio) && folio_test_has_hwpoisoned(folio))) {
 		folio_unlock(folio);
 		folio_put(folio);
 		return -EIO;




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