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[RFC,v1,05/10] book3s64/hash: Refactor hash__kernel_map_pages() function

Message ID 2ef6b884c2ec5ce974c09e5290a66d3ae00c6be4.1722408881.git.ritesh.list@gmail.com (mailing list archive)
State Changes Requested
Headers show
Series book3s64/hash: Improve kfence support | expand

Commit Message

Ritesh Harjani (IBM) July 31, 2024, 7:56 a.m. UTC 
This refactors hash__kernel_map_pages() function to call
hash_debug_pagealloc_map_pages(). This will come useful when we will add
kfence support.

No functionality changes in this patch.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
---
 arch/powerpc/mm/book3s64/hash_utils.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 6af47b996e79..b96bbb0025fb 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -349,7 +349,8 @@  static inline void hash_debug_pagealloc_add_slot(phys_addr_t paddr, int slot)
 		linear_map_hash_slots[paddr >> PAGE_SHIFT] = slot | 0x80;
 }
 
-int hash__kernel_map_pages(struct page *page, int numpages, int enable)
+static int hash_debug_pagealloc_map_pages(struct page *page, int numpages,
+					  int enable)
 {
 	unsigned long flags, vaddr, lmi;
 	int i;
@@ -368,6 +369,12 @@  int hash__kernel_map_pages(struct page *page, int numpages, int enable)
 	local_irq_restore(flags);
 	return 0;
 }
+
+int hash__kernel_map_pages(struct page *page, int numpages, int enable)
+{
+	return hash_debug_pagealloc_map_pages(page, numpages, enable);
+}
+
 #else /* CONFIG_DEBUG_PAGEALLOC */
 int hash__kernel_map_pages(struct page *page, int numpages,
 					 int enable)