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authorJakub Kicinski <[email protected]>2022-07-14 21:19:42 +0000
committerJakub Kicinski <[email protected]>2022-07-14 22:27:35 +0000
commit816cd1688331e0ffa1927889c15e7ed56650a183 (patch)
tree30cbcb7d5d4e1dd226fda651f25ca094e54714a0 /mm/memory.c
parentMerge branch 'xen-netfront-xsa-403-follow-on' (diff)
parentx86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current (diff)
downloadkernel-816cd1688331e0ffa1927889c15e7ed56650a183.tar.gz
kernel-816cd1688331e0ffa1927889c15e7ed56650a183.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/net/sock.h 310731e2f161 ("net: Fix data-races around sysctl_mem.") e70f3c701276 ("Revert "net: set SK_MEM_QUANTUM to 4096"") https://lore.kernel.org/all/[email protected]/ net/ipv4/fib_semantics.c 747c14307214 ("ip: fix dflt addr selection for connected nexthop") d62607c3fe45 ("net: rename reference+tracking helpers") net/tls/tls.h include/net/tls.h 3d8c51b25a23 ("net/tls: Check for errors in tls_device_init") 587903142308 ("tls: create an internal header") Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 7a089145cad4..4cf7d4b6c950 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4802,6 +4802,19 @@ static vm_fault_t create_huge_pud(struct vm_fault *vmf)
defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)
/* No support for anonymous transparent PUD pages yet */
if (vma_is_anonymous(vmf->vma))
+ return VM_FAULT_FALLBACK;
+ if (vmf->vma->vm_ops->huge_fault)
+ return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD);
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+ return VM_FAULT_FALLBACK;
+}
+
+static vm_fault_t wp_huge_pud(struct vm_fault *vmf, pud_t orig_pud)
+{
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && \
+ defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)
+ /* No support for anonymous transparent PUD pages yet */
+ if (vma_is_anonymous(vmf->vma))
goto split;
if (vmf->vma->vm_ops->huge_fault) {
vm_fault_t ret = vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD);
@@ -4812,19 +4825,7 @@ static vm_fault_t create_huge_pud(struct vm_fault *vmf)
split:
/* COW or write-notify not handled on PUD level: split pud.*/
__split_huge_pud(vmf->vma, vmf->pud, vmf->address);
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
- return VM_FAULT_FALLBACK;
-}
-
-static vm_fault_t wp_huge_pud(struct vm_fault *vmf, pud_t orig_pud)
-{
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- /* No support for anonymous transparent PUD pages yet */
- if (vma_is_anonymous(vmf->vma))
- return VM_FAULT_FALLBACK;
- if (vmf->vma->vm_ops->huge_fault)
- return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD);
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE && CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */
return VM_FAULT_FALLBACK;
}