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Commit f1ffe203 authored by Deepak Kumar's avatar Deepak Kumar
Browse files

msm: kgsl: Limit the frequency of logging on memory allocation failure 



Excessive logging due to several successive memory allocation failure
may cause a watchdog bite. Hence, this change adds ratelimit to logging
on memory allocation failure.

Change-Id: I8e5d78918a32c48ef7fa587f3dc63cbd1f065d5f
Signed-off-by: default avatarDeepak Kumar <dkumar@codeaurora.org>
parent a2005826

drivers/gpu/msm/kgsl_sharedmem.c

+7 −1
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/scatterlist.h>

#include <soc/qcom/scm.h>

#include <soc/qcom/secure_buffer.h>

#include <linux/ratelimit.h>



#include "kgsl.h"

#include "kgsl_sharedmem.h"
@@ -700,6 +701,10 @@ kgsl_sharedmem_page_alloc_user(struct kgsl_memdesc *memdesc, 
	size_t len;

	unsigned int align;



	static DEFINE_RATELIMIT_STATE(_rs,

					DEFAULT_RATELIMIT_INTERVAL,

					DEFAULT_RATELIMIT_BURST);



	size = PAGE_ALIGN(size);

	if (size == 0 || size > UINT_MAX)

		return -EINVAL;
@@ -762,7 +767,8 @@ kgsl_sharedmem_page_alloc_user(struct kgsl_memdesc *memdesc, 
			 */

			memdesc->size = (size - len);



			if (sharedmem_noretry_flag != true)

			if (sharedmem_noretry_flag != true &&

					__ratelimit(&_rs))

				KGSL_CORE_ERR(

					"Out of memory: only allocated %lldKB of %lldKB requested\n",

					(size - len) >> 10, size >> 10);