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authorTakashi Iwai <tiwai@suse.de>2025-11-27 07:19:59 +0100
committerTakashi Iwai <tiwai@suse.de>2025-11-27 07:19:59 +0100
commitd01a3aad7f2c183152dec02202aa1d23ee02556c (patch)
tree62947b128848602f6c543e05dad2a078d2c117b2 /include/linux/mm.h
parentd041e5e748f926398ad96436a86667dea8b591e0 (diff)
parent73b97d46dde64fa184d47865d4a532d818c3a007 (diff)
Merge tag 'asoc-fix-v6.18-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.18 A small pile of driver specific fixes that came in during the past few weeks, none of them especially major.
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index d16b33bacc32..7c79b3369b82 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2074,7 +2074,7 @@ static inline unsigned long folio_nr_pages(const struct folio *folio)
return folio_large_nr_pages(folio);
}
-#if !defined(CONFIG_ARCH_HAS_GIGANTIC_PAGE)
+#if !defined(CONFIG_HAVE_GIGANTIC_FOLIOS)
/*
* We don't expect any folios that exceed buddy sizes (and consequently
* memory sections).
@@ -2087,10 +2087,17 @@ static inline unsigned long folio_nr_pages(const struct folio *folio)
* pages are guaranteed to be contiguous.
*/
#define MAX_FOLIO_ORDER PFN_SECTION_SHIFT
-#else
+#elif defined(CONFIG_HUGETLB_PAGE)
/*
* There is no real limit on the folio size. We limit them to the maximum we
- * currently expect (e.g., hugetlb, dax).
+ * currently expect (see CONFIG_HAVE_GIGANTIC_FOLIOS): with hugetlb, we expect
+ * no folios larger than 16 GiB on 64bit and 1 GiB on 32bit.
+ */
+#define MAX_FOLIO_ORDER get_order(IS_ENABLED(CONFIG_64BIT) ? SZ_16G : SZ_1G)
+#else
+/*
+ * Without hugetlb, gigantic folios that are bigger than a single PUD are
+ * currently impossible.
*/
#define MAX_FOLIO_ORDER PUD_ORDER
#endif