diff options
| author | Lorenzo Stoakes <ljs@kernel.org> | 2026-07-10 21:17:02 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-08-04 19:19:01 -0700 |
| commit | 93d23dff8eb5045a9cb54bf6202324da0c7010cb (patch) | |
| tree | a6ae555fb67041ed99d1a1fe143775205f23194c /arch/x86/kernel | |
| parent | ff8fbc9e08739a1a754293f5aba7796be3649035 (diff) | |
mm: use linear_page_[index, delta]() consistently
There are a number of places where we open code what linear_page_index()
and linear_page_delta() calculate.
Replace this code with the appropriate functions for consistency.
No functional change intended.
Link: https://lore.kernel.org/20260710-b4-pre-scalable-cow-v2-21-2a5aa403d977@kernel.org
Signed-off-by: Lorenzo Stoakes <ljs@kernel.org>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> [DRM]
Acked-by: Kai Huang <kai.huang@intel.com> # for sgx
Reviewed-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Pedro Falcato <pfalcato@suse.de> # for mm
Reviewed-by: Ackerley Tng <ackerleytng@google.com> [guest_memfd]
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: SJ Park <sj@kernel.org>
Cc: Liam R. Howlett (Oracle) <liam@infradead.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/virt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/sgx/virt.c b/arch/x86/kernel/cpu/sgx/virt.c index db6806c40483..6a1933ddc6fc 100644 --- a/arch/x86/kernel/cpu/sgx/virt.c +++ b/arch/x86/kernel/cpu/sgx/virt.c @@ -9,6 +9,7 @@ #include <linux/miscdevice.h> #include <linux/mm.h> #include <linux/mman.h> +#include <linux/pagemap.h> #include <linux/sched/mm.h> #include <linux/sched/signal.h> #include <linux/slab.h> @@ -41,7 +42,7 @@ static int __sgx_vepc_fault(struct sgx_vepc *vepc, WARN_ON(!mutex_is_locked(&vepc->lock)); /* Calculate index of EPC page in virtual EPC's page_array */ - index = vma->vm_pgoff + PFN_DOWN(addr - vma->vm_start); + index = linear_page_index(vma, addr); epc_page = xa_load(&vepc->page_array, index); if (epc_page) |