On 9/3/26 07:35, Kaitao Cheng wrote: > From: Kaitao Cheng <[email protected]> > > Page flag helpers for configuration-dependent flags provide false or no-op > variants so that their users can be independent of the configuration. > > The HWPoison helpers do not fully follow this pattern. When > CONFIG_MEMORY_FAILURE is enabled, PAGEFLAG() and TESTSCFLAG() provide the > regular, test-and-set, and test-and-clear operations. When it is disabled, > only PAGEFLAG_FALSE() is instantiated, leaving TestSetPageHWPoison() and > TestClearPageHWPoison() undefined. > > Use TESTSCFLAG_FALSE() to provide the missing accessors when memory failure > handling is disabled. Both accessors return false, which is consistent with > HWPoison state being unavailable, and makes the accessor interface > consistent across configurations. > > Signed-off-by: Kaitao Cheng <[email protected]> > --- > include/linux/page-flags.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h > index 7a863572adce..a2315ab1dd3a 100644 > --- a/include/linux/page-flags.h > +++ b/include/linux/page-flags.h > @@ -656,6 +656,7 @@ TESTSCFLAG(HWPoison, hwpoison, PF_ANY) > #define __PG_HWPOISON (1UL << PG_hwpoison) > #else > PAGEFLAG_FALSE(HWPoison, hwpoison) > +TESTSCFLAG_FALSE(HWPoison, hwpoison) > #define __PG_HWPOISON 0 > #endif >
Can we just squash this patch into #2 please? -- Cheers, David

