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Date: Wed, 1 Jan 2020 18:49:49 +0100
From: Julia Lawall <Julia.Lawall@...ia.fr>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: kernel-janitors@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 09/10] x86/crash: use resource_size
Use resource_size rather than a verbose computation on
the end and start fields.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
<smpl>
@@ struct resource ptr; @@
- (ptr.end - ptr.start + 1)
+ resource_size(&ptr)
</smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@...ia.fr>
---
arch/x86/kernel/crash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 00fc55ac7ffa..fd87b59452a3 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -370,7 +370,7 @@ int crash_setup_memmap_entries(struct kimage *image, struct boot_params *params)
/* Add crashk_low_res region */
if (crashk_low_res.end) {
ei.addr = crashk_low_res.start;
- ei.size = crashk_low_res.end - crashk_low_res.start + 1;
+ ei.size = resource_size(&crashk_low_res);
ei.type = E820_TYPE_RAM;
add_e820_entry(params, &ei);
}
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