This adds page_is_pfmemalloc() which is used by the igb driver.
The direct access to page->pfmemalloc was replaced by this function
call in 54d985ce23 upstream commit.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/mm.h | 9 +++++++++
.../network/0049-no-pfmemalloc/no-pfmemalloc.cocci | 2 +-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/backport/backport-include/linux/mm.h b/backport/backport-include/linux/mm.h
index 96be9e6..ddb8813 100644
--- a/backport/backport-include/linux/mm.h
+++ b/backport/backport-include/linux/mm.h
@@ -95,4 +95,13 @@ static inline unsigned long *frame_vector_pfns(struct frame_vector *vec)
}
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) && \
+ LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
+#define page_is_pfmemalloc LINUX_BACKPORT(page_is_pfmemalloc)
+static inline bool page_is_pfmemalloc(struct page *page)
+{
+ return page->pfmemalloc;
+}
+#endif /* < 4.2 */
+
#endif /* __BACKPORT_MM_H */
diff --git a/patches/collateral-evolutions/network/0049-no-pfmemalloc/no-pfmemalloc.cocci b/patches/collateral-evolutions/network/0049-no-pfmemalloc/no-pfmemalloc.cocci
index bbc1201..5c6dd24 100644
--- a/patches/collateral-evolutions/network/0049-no-pfmemalloc/no-pfmemalloc.cocci
+++ b/patches/collateral-evolutions/network/0049-no-pfmemalloc/no-pfmemalloc.cocci
@@ -4,6 +4,6 @@ expression E1;
@@
return E1
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
- || page->pfmemalloc
+ || page_is_pfmemalloc(page)
+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0) */
;
--
2.1.4
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