[PATCH v2 2/2] resource: Make it possible to reserve memory on 64bit platform

* [PATCH v2 2/2] resource: Make it possible to reserve memory on 64bit platform
@ 2021-01-16 10:45 Wesley Zhao
  0 siblings, 0 replies; only message in thread
From: Wesley Zhao @ 2021-01-16 10:45 UTC (permalink / raw)
  To: akpm
  Cc: andriy.shevchenko, keescook, tglx, kerneldev, nivedita, joe,
	gpiccoli, aquini, gustavoars, zhaowei1102, ojeda, ndesaulniers,
	linux-kernel, david, dan.j.williams, guohanjun, mchehab+huawei

For now "reserve=" is limitied to 32bit,not available on 64bit
platform,so we change the get_option() to get_option_ull(added in
patch: commit 4b6bfe96265e ("lib/cmdline: add new function
get_option_ull()"))

Signed-off-by: Wesley Zhao <zhaowei1102@thundersoft.com>
---
 kernel/resource.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/resource.c b/kernel/resource.c
index 833394f9c608..ee2a0e5d196f 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -1567,13 +1567,13 @@ static int __init reserve_setup(char *str)
 	static struct resource reserve[MAXRESERVE];
 
 	for (;;) {
-		unsigned int io_start, io_num;
+		unsigned long long io_start, io_num;
 		int x = reserved;
 		struct resource *parent;
 
-		if (get_option(&str, &io_start) != 2)
+		if (get_option_ull(&str, &io_start) != 2)
 			break;
-		if (get_option(&str, &io_num) == 0)
+		if (get_option_ull(&str, &io_num) == 0)
 			break;
 		if (x < MAXRESERVE) {
 			struct resource *res = reserve + x;
-- 
2.7.4


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